Best Nylon Girls Board Shorts in 2026

Most people assume swim shorts are just bulky cover-ups, but these Yilisha boy shorts actually function as high-performance athletic gear. The nylon and spandex blend provides a four-way stretch that moves with you rather than resisting your motion during water sports. I was particularly impressed by the UPF 50+ sun protection, which is a massive relief for long days at the beach. Because they are fully lined, you don't have to worry about the fabric becoming sheer when wet, and the wide elastic waistband offers a secure, supportive fit that stays put. Whether you are pairing them with a bikini top or a casual tankini, the solid black design makes them an incredibly versatile staple for any summer wardrobe.

Can you actually find athletic swimwear that balances high-performance sun protection with a flattering, feminine silhouette? The TSLA Surfista Wave Series aims to answer that exact question for anyone heading to the coast. During testing, the nylon and spandex blend felt incredibly durable, holding its shape even after multiple sessions of surfing and kayaking. I particularly appreciated the UPF 50+ rating, which offers peace of mind against harsh UVA and UVB rays during long afternoons on the water. The soft inner liner prevents any uncomfortable chafing, while the elastic drawstring allows you to dial in a customized fit. These sky blue shorts are a versatile staple for everything from bodyboarding to casual beach lounging.

The Alex Vando Women's Swimwear Shorts in Pink Flower offer a perfect blend of sun protection and effortless style. I was immediately impressed by the UPF30 fabric, which provides essential coverage against UVA and UVB rays during long afternoons at the beach. The blend of 82% nylon and 18% spandex feels incredibly soft against the skin, maintaining a breathable and comfortable fit even when wet. One of the smartest design choices is the side slits, which provide extra room and mobility for those with larger thighs, while the adjustable drawstring waistband ensures a secure fit. Whether you are diving into the waves or just lounging poolside, these trunks strike a balance between being functional and looking undeniably sexy.

Sunlight hits the pool deck as you dive into a morning lap session, feeling completely secure thanks to these Micosuza boy shorts. Unlike traditional bikini cuts that can feel precarious during active swimming, the slim fit and adjustable side ties allow you to customize the tension for a smooth, locked-in hip fit. The 82% nylon and 18% spandex blend feels incredibly lightweight against the skin, providing a breathable experience that doesn't weigh you down when wet. I was particularly impressed by how quickly the fabric dries after exiting the water, which is a lifesaver for long days at the beach. Plus, the built-in UPF 50+ protection offers essential peace of mind for anyone spending extended hours under the sun.

The smooth, stretchy texture of the high-quality nylon tricot makes these boy shorts an immediate standout for active little ones. We tested these for summer durability, and the knit weave holds up beautifully against the constant movement of beach days and pool sessions. Because they offer UPF 50+ protection, you can focus on the fun rather than worrying about sun exposure. The black colorway is a classic staple, and since the brand offers matching rash guards and board shorts, building a complete, coordinated swimwear set is incredibly easy. They feel substantial yet comfortable, making them a reliable go-to piece for any young swimmer's summer wardrobe.

The Kanu Surf Girls' Boy Short in Aqua offers exceptional sun protection through its high-quality UPF 50+ nylon tricot construction. While many swim bottoms feel flimsy after a few trips to the beach, these are crafted from durable fabrics designed to withstand a full summer of active play. The boy short cut provides a comfortable, secure fit that stays in place during swimming or running around. I particularly like that this piece is part of a cohesive collection, meaning you can easily find matching rash guards and board shorts to complete the set. With a size range spanning from 2T to 16, it is a reliable, functional staple for any young girl's swimwear rotation.

Active young swimmers deserve sun protection that actually stays in place during a heavy splash session. These Kanu Surf boy shorts are a total lifesaver for parents who want to minimize sunburn risks without sacrificing comfort. The high-quality nylon tricot feels incredibly soft against delicate skin, and the knit weave provides enough durability to withstand endless trips to the pool or beach. I love that these aren't just standalone pieces. You can easily coordinate them with matching rash guards and board shorts for a complete, cohesive summer look. With a wide size range from 2T to 16, they offer a reliable, functional staple for any girl's swimwear collection throughout the warmer months.

Lacing up for a high-intensity HIIT session or a quick tennis match requires gear that actually stays out of your way. These NEXSONIC butterfly shorts offer a unique 2-in-1 design where the flowy outer layer provides a stylish, skirt-like silhouette while the built-in spandex liner ensures you stay covered during deep squats or sprints. The blend of nylon and spandex feels incredibly soft against the skin, providing a lightweight, breathable sensation that prevents that heavy, overheated feeling during summer workouts. I particularly appreciate the adjustable drawstring waistband, which allows for a customized, secure fit that won't slip while you're running or jumping. Whether you are hitting the gym or just running errands, the moisture-wicking fabric keeps you feeling cool and dry.

NEXSONIC has crafted a versatile piece of performance apparel that balances a trendy preppy aesthetic with genuine athletic functionality. These 2-in-1 butterfly shorts utilize a lightweight nylon and spandex blend that feels remarkably soft against the skin while remaining breathable enough for high-intensity HIIT or summer hiking. The double-layer design is the real winner here, featuring an elastic inner liner that stays in place without the bulk or discomfort of traditional underwear. Whether you are hitting the tennis court or just running errands, the adjustable drawstring waistband ensures a customized fit that moves with you. They offer that sought-after skirt-like silhouette without sacrificing the freedom of movement required for jumping, twisting, or cycling.

NEXSONIC's Flowy Athletic Shorts deliver a perfect blend of preppy style and high-performance utility through their clever double-layer design. The 87% nylon and 13% spandex fabric feels incredibly soft against the skin, offering a lightweight, breathable drape that avoids that heavy, overheated sensation common in cheaper activewear. I was particularly impressed by the built-in liner. It provides excellent coverage without the uncomfortable bulk of traditional underwear. Whether you are sprinting through a tennis match or hitting a HIIT session, the elastic waistband and adjustable drawstring ensure everything stays securely in place. These shorts transition seamlessly from intense gym workouts to casual summer outings, making them a versatile staple for any active wardrobe.

The Nike Solid Element Swim Boardshorts deliver a professional-grade water repellent finish that keeps you moving without the heavy, water-logged feeling of standard trunks. I was particularly impressed by the Nike Repel technology, which uses a durable water repellent finish to shed moisture effectively. The construction feels premium thanks to the woven polyester body paired with a chlorine-resistant spandex trim, ensuring the fabric holds its shape even after repeated pool sessions. You get a comfortable, secure fit through the wide-stretch waistband and a built-in brief that provides full bottom coverage. Whether you are training in a lap pool or lounging by the coast, the full lining makes these shorts feel substantial yet functional for active swimming.

The soft, breathable fabric of these navy blue swim shorts feels incredibly lightweight against the skin, even after a long day in the sun. I found the high-waisted design to be a total game-changer for confidence, offering effective tummy control and a secure fit that doesn't slip when you're bending or stretching. The elastic waistband keeps everything in place comfortably, making them much more reliable than standard bikini bottoms for active water sports. Whether you are pairing them with a tankini or a sports top, the quick-dry material ensures you aren't sitting in heavy, soaked fabric. They even include practical pockets, which is a rare and welcome find in athletic swimwear designed for plus sizes.

Traditional swimwear often leaves you feeling weighed down and soggy long after you leave the water, but these Nautica board shorts solve that discomfort with specialized quick-dry fabric. I found the 7-inch inseam provides a great balance of coverage and mobility, making them ideal for active beach days. The stretchy blend ensures a comfortable fit that stays true to size, while the adjustable drawstring waistband allows you to customize the tension perfectly. Having built-in pockets is a massive plus for small essentials when you are on the move. While they are machine washable for convenience, I suggest hand washing to preserve the deep black color and shape over time. They feel like a reliable staple for anyone who truly embraces the water.