Best Xl Boys Rash Guard Shirts in 2026

PREVENTS SUNBURN: Laguna rash guard for boys carry a UPF rating of 50+ which means your son will be protected from the harmful effects UV rays. Embrace long, ouchless summer fun with our sun protective boys bathing top!

ALLOWS FULL RANGE MOTION: Relaxed, loose fitting boys rash guard with 3-way stretch, short raglan sleeves and sidebands makes moving so much easier for active kids. Thick and stretchy, guaranteed to hold up to children's use.

DRIES UP FAST: Gear him up in lightweight, moisture-wicking and quick-drying rashguard for boys to keep him warmer under deep cool waters and dryer, comfier out of it. Together with its flatlock seams, it also prevents chafing.

Upf 50+ rating to block suns harmful rays

Looser comfortable tee fit

Machine wash

PROTECTIVE SWIMWEAR FOR BOYS: Skin friendly fabric of these swim shirts for toddlers and little boys is perfect for your son's delicate skin; Let your boy enjoy the summer without worrying about sunburn with our high-quality long-sleeve rash guard shirt; Perfect while having fun at the pool or beach

UPF 50+ PROTECTION: Hours of play in the sun without worrying about painful sunburn; This long-sleeve rash guard shirt offers reliable UV protection for your boy, so you both can enjoy your day worry-free

QUICK DRY RASHGUARD: Perfect swim shirt for the beach, pool, and summer vacation; The smooth fabric is durable for a long lasting fit with reduced discomfort or irritation; Multiple sizes and colors ensure you choose the right match for your little boy; Purchase several styles and stretch out your boy's wardrobe

<b>FUNCTIONAL FABRIC</b>: 80% Polyamide and 20% Elastane,high quality assured rash gurad swimsuits for boys.

<b>DURABLE AND FLEXABLE</b>: Highly chlorine and salt resistant fabric,low water retention and extremely quick drying.Four-way stretch and shape memory.

<b>STYLISH SWIMSUITS FOR BOYS</b>: Long sleeve bathing suit rashgurad swimwear with full-length short sleeves,designed with high collar for optimal sun protection. Front/ back zipper design,easy get in and out.

Two Piece Rash Guard Women: This crew neck long sleeve swim shirt features green palm leaf prints and blue. Raglan sleeve with color block design makes it more flattering and stylish.

Women Boyshort Swimsuit Sets: Rashguard shorts in vintage leaves pattern match with the swim shirt, you do not have to consider how to choose a suitable shorts.

Long Sleeve 2 piece Swimsuit: This swimwear is made of comfortable, UV Block fabric with UPF 50+ protective, offering you necessary body coverage and protecting you against rashes, abrasions, and harmful UV Rays.

✅ CONSTRUCTION FABRIC – Elite Sports kids rash guards are made of 90% polyester and 10% spandex that makes boys short sleeve rash guard lightweight, breathable and comfortable. Our boys and girls short sleeve rash guard has a non-chaffing design.

✅ MULTIPURPOSE – Elite Sports youth rash guards are perfect for MMA, BJJ, Jiu-Jitsu, Boxing, Kickboxing, and more martial arts. These boys rash guard will boosts performance, helps in recovery, and acts as a great base layer.

✅ DURABLE & COMFORTABLE – Our kids BJJ rash guard is cheap and comes with flatlock stitching, fully sublimated graphics that will not crack, fade, peel, or irritate your skin and the anti-slip band that prevents our kids BJJ rash guards from riding.

UPF 50+ - blocks 98% of UVA/UVB rays

FABRIC: Aqua Juno fabric is supple, smooth and soft with all the intelligent features of our ground-breaking Aqua Classic 4-way stretch fabric; Breathable, quick-dry UPF 50+ fabric is chlorine and saltwater resistant, making it just right for water play

FEATURES: Inseam: 10 1/2 inches (18-24M); Elastic waistband with flatlock seaming; Machine wash, line dry; Imported

Big Chill Boys Rash Guard with Shark Logo and UPF 50+ Sun Protection.

Ready For Play: This Lightweight, Breathable Design is Perfect for Full Days of Play in The Sun, Water, and Sand.

Built-In Sun Protection: Keep Their Skin Safe in The Sun with UPF 50+ Protection. Hours of Play Without The Worry of Sun Burn. Perfect For The Beach, Pool, or Lake.

OFFICIALLY LICENSED BODY GLOVE: Boys Long Sleeve Rash Guard Top; Inspired by all things water, we're dedicated to supporting people's passions in and out of the water with quality athletic apparel

UPF 50+ PROTECTION: Hours of play in the sun without worrying about painful sunburn; This long-sleeve rash guard shirt offers reliable UV protection for your boy, so you both can enjoy your day worry-free

QUICK DRY RASHGUARD: Perfect swim shirt for the beach, pool, and summer vacation; The smooth fabric is durable for a long lasting fit with reduced discomfort or irritation; Multiple sizes and colors ensure you choose the right match for your little boy; Purchase several styles and stretch out your boy's wardrobe

RASH GUARD SHIRTS: Boys' Rashguard swim tee's are ideal for pool and beach use. They are lightweight and comfortable sun protection swim shirts with various prints to fit his unique style.

COMFORT: This polyester/spandex blended material is soft and has a good amount of stretch for swimming and all outdoor activities. This garment is able to withstand the summer play of active kids, and many washes.

DETAILS: These rash guard t-shirts are suitable for swimming, surfing, snorkeling, paddling, or any other sport; on the land or in the water. Featuring short sleeves and a mock neck for more coverage. Many styles to choose from in various sizes. Look through all color variations to pick a rash guard shirt that fits his style.

Sun protection - Certified UPF 50+, blocks 97.29% of the harmful UV rays. Perfect for the swimming class, beach travel, summer camp, water park and anywhere sun protection is needed.

Soft material - High-quality and quick-drying fabrics, which are softer and more comfortable than normal fabrics, sewing well with four threads flatlock stitch.

Unique design - This boy's rash guard shirt features raglan short sleeves design for a cool, whimsical look.‍ With crewneck designs, this boy's swimwear top makes for easy on/off.

92% Polyester 8% Spandex

UV block the burn with UPF 50+ protective fabric. Dries Fast

Short-sleeve solid loose-fitting swim shirt

※PREMIUM FABRICS FOR DURABILITY※---Made of high quality 80% polyester + 20% spandex, our boys rash guard swimsuits’ fabrics are durable and soft enough for flexible movements in this hot summer.

※WORRYLESS OF HARMFUL SUNRAYS※---Our boys one piece rash guard swimsuits offer your kids with full coverage and comfort along with its built-in sun protection by applying the UPF 50+ rated fabrics. Enjoy a playful and carefree vacation.

※ATTRACTIVE CARTOON DIGITAL PRINTS※---With the lovely cartoon graphic digital fade-resistant prints, these boys short sleeve rash guard swimsuits will let your boys start to love surfing and shining in the crowd for much more fun.

【Sun protection】High Quality UPF 50+ fabrics block more than 98% of UVA and UVB rays, block out the UV radiation whether you are in or out of the water, offering you necessary body coverage.

【Long sleeve】long sleeve block the sun's harmful rays,Comfortable soft removable padded, offer enough support.

【Design】 Boyleg bottom Protect more delicate skin, Rich print, more stylish and flattering.

WOMEN TWO PIECE RASH GUARD: This long-sleeved crop top black rashguard comes with high-waisted black shorts. The raglan sleeves with color block design make it more flattering and stylish.

BATHING SUITS FOR WOMEN: This long-sleeved black rash guard with padded cups offers ample support while ensuring your comfort as you enjoy your time on the beach.

WOMEN LONG SLEEVE SWIMSUIT: The UPF 50 fabrication protects the skin by blocking harmful Ultraviolet UVA and UVB rays. This multi-purpose long sleeve swim shirt comes with a high waisted short tankini set.

Fabrics:Polyamide and Elastane,Rash gurad swimsuits for boys.

Sailing Printed,Chlorine and salt resistant fabric,low water retention and quick drying.Four-way stretch and shape memory.Soft, Close skin.

Long sleeve bathing suit rashgurad swimwear with long sleeves,designed with high collar To avoid scratch for optimal sun protection.effectively resist ultraviolet ray, protect children's skin.

✔3 Piece Swimsuits: The swimsuit includes Swim Tank Top + Boyshorts+ Sports Bra.This sports bra gives you a high support, they dont move around, very comfortable to wear.

✔UPF 50+: Made of UV block fabric with UPF 50+ protection, offering you necessary body coverage and protecting you against harmful UV rays.

✔Material: Soft, Quick-Drying and Breathable Stretch fabric, makes skin very cool in hot weather.Modest swimsuits with shorts provide more than adequate coverage, tummy control, showing off your figure perfectly.

【EXCELLENT SUN PROTECTION】Swimwear fabrics are rated UPF 50+ and provide maximum UV sun protection by blocking 98% of UVA + UVB sun rays, wet or dry. Durable high-density fabric that protects against rashes,abrasions and harmful UV Rays.

【MOCK NECK】Mock neck collar offers extra neck coverage for optimal sun protectionquick dry, comfortable and durable for long time use.

【 ECO FRIENDLY】This athletic rash guard is Eco-Friendly,Breathable,Ultra soft and smooth, 4-Way Stretch, Quick Dry,Feels Like a second skin,Good for swimming, boating, Beach vacation, Water sport games, Surfing, Diving,Snorkeling and water yoga, fishing, kayaking, ect.

Boys UPF 50+ long-sleeve rash guards: this quick dry outdoor shirt is specially designed for boys, suitable for boys aged 10-12, in 3 various colors: white, navy, royal blue, 1 piece per color, 3 packs in total; classic colors, and on-trend styles, provide a great sun protection for kids

High-quality fabric: the sun protection top is made of 82% polyamide + 18% spandex, which is silky and skin-friendly, with good breathability, excellent elasticity, and is also very durable, with high wearing comfort, no tight feeling, suitable for flexible sports

Useful function: this boys swimsuit is made of UPF 50+ grade fabric and designed with long sleeves, which can effectively avoid sunshine and protect children's skin; in addition, the rash guard has a quick-drying function, which helps to keep the skin dry and fresh

【Rash Guard Material】:82%polyamide+18%elastane, Breathable, Quick Dry, Moisture Wicking, Ultra Stretch.Womens Rash Guard Swimsuit Sets with Upf 50+ Protection, Offering You Necessary Body Coverage and Protecting You Against Rashes, Abrasions, and Harmful Uv Rays.

【3 Piece Rash Guard】: 3 Piece Rash Guard Built in Bra Swimsuit for Women Designed with Zipper for Easy Opening and Closure. Built in Bra Swim Shirt Offers You Enough Support and Shows Your Attractive Figure Without See-through.the Rash Guard Shorts Are Gathered at the Sides So You Can Adjust the Length to Suit Your Needs.

【Rash Guard Occasions】: Rash Guard Shirts Ideal for Swimming, Surfing, Diving, Snorkeling, Running, Beach, Stand Up Paddle, Snorkeling, Water Yoga and Cycling.

<b>FUNCTIONAL FABRIC</b>: 80% Polyamide and 20% Elastane,high quality assured rash gurad swimsuits for boys.

<b>DURABLE AND FLEXABLE</b>: Highly chlorine and salt resistant fabric,low water retention and extremely quick drying.Four-way stretch and shape memory.

<b>STYLISH SWIMSUITS FOR BOYS</b>: short sleeve bathing suit rashgurad swimwear with full-length short sleeves,designed with high collar for optimal sun protection. Front/ back zipper design,easy get in and out.

100% Sun Proof: Long sleeve design with UPF50+ protection rash guard against harmful UVA/UVB rays, making it perfect for outdoor activities.

Quick-Dry & Lightweight: The breathable fabric is designed to dry quickly, allowing kids to stay comfortable in and out of the water.

Fits Well: Neither too loose nor too tight, this swim shirt offers maximum comfort and flexibility and is perfect for a wide range of activities, including swimming, surfing, paddle boarding, and more.

MULTIPURPOSE RASHGUARD FOR KIDS: Our Rash Guards are perfect for all sport training.

High-quality Rash Guard to offer your kid full flexibility, freedom, and protection during any special training.

Premium Fabric 88% Polyester and 12% Spandex. Very soft four-way stretch fabric that stretches and recovers on the cross and lengthwise grains

2 Pack UPF 50+ Boys Rashguard--Our boy's rash guard shirts use UPF 50+ sunscreen fabric, which is a great option for children's skin from the sun while playing outdoors, especially during water activities such as swimming, surfing, or boogie boarding.

Skin Friendly Quick Dry Swim Shirt--80%polyester and 20% Spandex Moisture-wicking fabrics are designed to pull moisture away from the skin and evaporate it quickly, helping kids stay dry and comfortable. Ideal shirts for outdoor activities or sports where the boys may sweat or get wet.

Added Comfort Design Rash Guard--Flatlock seams can help prevent chafing and irritation, and a tagless design for added comfort. Our youth kids' toddlers' rash guards are also stretchy and flexible. It's a practical option if you want to choose durable and comfortable clothing for your kids.

🌟Stylish Design: The Rash Guard Shirt Features Popular Gradient Color Block, Long Sleeve and Hoodie Designs, Thumb-holes to Keep the Sleeves in Place,and The Edge Cut is a Little Longer Than The Front, Offer Great Coverage to Protect Your Kids Delicate Skin For the Sun.

🌟Sun Protection: The Hooded Rashguard is Made of Super Soft Uv Block Fabric, Certified Upf 50+, Blocks Harmful Rays, Great Gift for Your Boys/Girls to Enjoy a Happy Time in the Sun.

🌟Easy Match: The Swim Shirt Uses Solid Color Block Design, Simple but Classic, You can Pair They Favourite Boardshorts or Swim Trunks For Your Boys/Girls. Bright Colors and Easy to Stand out in the Crowd.

85% Polyester , 15% Spandex

Officially licensed Marvel big boys cool and stylish long sleeve swim shirt top

Awesome sublimation print design; UPF 50+ material for UVB and UVA protection and worry-free sun time; 4 way stretch fabric for comfort and long-lasting fit; Pull on closure

Materials: Boys rash guard is made of nylon and spandex.It is ultra-thin and breathable;

Size: XS for 6-7 Year; S for 8-9 Year; M for 10-11 Year; L for 12-13 Year; XL for 14-16 Year;

Quick drying & Breathable: Boys swim shirt is very light, strong sweat absorption, quick drying and comfortable. It won't make children hot and uncomfortable. When a child sweats or wets clothing, it dries quickly and doesn't get sticky;

What‘s included: you will receive 3 packs of boy sunscreen short sleeve shirts in 3 different colors, including grey, white, and sky blue, enough for a change of clothes in hot summer; the rashguard may appear slightly wrinkled upon arrival due to transportation compression; this is a normal occurrence and the wrinkles will be removed after washing; we recommend washing the garment before wearing it for the first time

High-quality fabric: this boy's quick dry swim shirt is made of 82% polyamide and 18% spandex, with UPF 50+ sun protection, it can effectively avoid sunburn when used outdoors; the stretchy and lightweight fabric allows your child to move around freely, without any discomfort

Fine workmanship: our boy's outdoor short sleeve rashguards feature neat and tight stitching and smooth texture, exquisite in detail, without any extra threads, which will offer a fun and fuss-free day at the beach, pool, or park

SIZING: This item's sizing runs small. Please check size chart in images before purchasing to ensure the best fit.

Protect your child from harmful UV rays with our UPF 50+ rated Rash Guard Shirts, perfect for a day at the beach or pool. With our Quick Dry technology, your child will be comfortable and dry all day long.

Each Rash Guard Shirt in the pack is made with high-quality materials, providing excellent sun protection and comfort. Our compression technology provides a snug fit without restricting movement, perfect for active summer days.

MULTI-SIZE: Sun protection T-shirt for boys and girls fashion print, classic version, suitable for ages 3 to 12. Fabric with dark plaid, sunscreen level 50+.

HIGH QUALITY MATERIAL: The material of boy's rash guard shirts is mainly 90% Polyester 10% Spandex. Thin and breathable. Soft and comfortable fabric, sports and breathable.

QUICK DRY : Boys' rashguard are made of lightweight, quick dry fabrics to keep your child cool, dry and comfortable throughout the day. This sunscreen T-shirt is unisex.