Best S Mens Swim Trunks in 2026

Daisy
Last Updated: Jul 19, 2026

At a Glance: Our Top Picks for S Mens Swim Trunks

Coolibar UPF 50+ Men's Calasa Tech Swim Trunk Tights - Sun Protective (Medium- Black)
#TOP1
Coolibar Upf 50+ Men's Calasa Tech Swim Trunk
9.5
PM SCORE
Coolibar UPF 50+ Men's Kahuna Swimming Shorts - Sun Protective (XX-Large- Cobalt)
#TOP2
Coolibar Upf 50+ Men's Kahuna Swimming Shorts -
6.0
PM SCORE
Coolibar UPF 50+ Men's Point Break Swim Tights - Sun Protective (Small- Black Colorblock)
#TOP3
Coolibar Upf 50+ Men's Point Break Swim Tights
5.2
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best S Mens Swim Trunks of 2026

Coolibar Upf 50+ Men's Calasa Tech Swim Trunk Tights - Sun Protective (Medium- Black)

COOLIBAR
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Coolibar Sun Protective Clothing 9.84

Features

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: Full length tight (30 inch inseam), elastic waistband and flatlock seams to prevent chafing; 3 snap loops to attach to the inside of our Men's Tech Swim Trunks; Machine wash, line dry; Imported

RECOMMENDED FOR: swimming and water sports like snorkeling, surfing and waterskiing

NOT RECOMMENDED FOR: active fitness, not moisture-wicking and may cause overheating

Coolibar Upf 50+ Men's Kahuna Swimming Shorts - Sun Protective (Xx-Large- Cobalt)

COOLIBAR
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Coolibar Sun Protective Clothing 9.84

Features

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

FABRIC: Aqua Plus Lite fabric is a lightweight woven fabric treated with a Durable Water Repellent finish (DWR) so that water beads-up and rolls off the surface

FEATURES: Lightweight woven outer short, built in compression knit short liner for extra support and coverage, back zipper pocket, side hip pockets; Elastic waistband with drawcord; 7 1/2 inch inseam, dual 2-in-1 shorts; Machine wash, line dry; Imported

RECOMMENDED FOR: swimming and water sports like snorkeling, surfing and waterskiing

NOT RECOMMENDED FOR: active fitness, not moisture-wicking and may cause overheating

Coolibar Upf 50+ Men's Point Break Swim Tights - Sun Protective (Small- Black Colorblock)

COOLIBAR
10423-001|52
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Coolibar Sun Protective Clothing 9.84

Features

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

FABRIC: Aqua Helios fabric provides medium compression for added support and shape retention with a slick handfeel, chlorine and saltwater resistance and 4-way stretch; Breathable, quick-dry UPF 50+ fabric is designed for active water wear

FEATURES: Elastic waistband with internal elastic drawcord, layer underneath your favorite swim shorts; 28 1/2 inch inseam (size Large); Rinse with cold water after use; Machine wash, line dry; Imported

RECOMMENDED FOR: swimming and water sports like snorkeling, surfing and waterskiing

NOT RECOMMENDED FOR: active fitness, not moisture-wicking and may cause overheating

Coolibar Upf 50+ Men's Island Swim Trunks - Sun Protective (Small- Terracotta Vintage Tropical Stripe)

COOLIBAR
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Coolibar Sun Protective Clothing 9.83

Features

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

FABRIC: Aqua Plus Lite fabric is a lightweight woven fabric treated with a Durable Water Repellent finish (DWR) so that water beads-up and rolls off the surface; Intelligent features like subtle 4-way stretch and quick-dry make this UPF 50+ fabric ideal

FEATURES: Quick-dry mesh brief liner, elastic waistband with faux fly, and drawcord with reflective material; Handy side seam pockets, back welt pocket with hook and loop fastener; Inseam: 9 inches; Machine wash, tumble dry; Imported

RECOMMENDED FOR: swimming and water sports like snorkeling, surfing and waterskiing

NOT RECOMMENDED FOR: active fitness, not moisture-wicking and may cause overheating

Coolibar Upf 50+ Men's Calasa Tech Swim Trunks - Sun Protective (X-Large- Navy)

COOLIBAR
43215-111841
11.00 X 6.50 X 2.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Coolibar Sun Protective Clothing 9.83

Features

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

FABRIC: Aqua Plus Lite fabric is a lightweight woven fabric treated with a Durable Water Repellent finish (DWR) so that water beads-up and rolls off the surface

FEATURES: Versatile double shorts, side hand pockets and invisible zipper leg pockets; 9 inch inseam; Snap front closure with zip fly, elastic waistband at back with side hook and loop fastener adjustment for custom fit; Detachable knit liner and back yoke panel for added mobility; Machine wash, line dry; Imported

RECOMMENDED FOR: swimming and water sports like snorkeling, surfing and waterskiing

NOT RECOMMENDED FOR: active fitness, not moisture-wicking and may cause overheating

Coolibar Upf 50+ Men's Island Swim Trunks - Sun Protective (X-Large- Cobalt Maui Floral)

COOLIBAR
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Coolibar Sun Protective Clothing 9.83

Features

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

FABRIC: Aqua Plus Lite fabric is a lightweight woven fabric treated with a Durable Water Repellent finish (DWR) so that water beads-up and rolls off the surface; Intelligent features like subtle 4-way stretch and quick-dry make this UPF 50+ fabric ideal

"FEATURES: Quick-dry mesh brief liner elastic waistband with faux fly and drawcord with reflective material; Handy side seam pockets back welt pocket with hook and loop fastener; Inseam: 9 inches; Machine wash tumble dry; Imported"

"RECOMMENDED FOR: swimming and water sports like snorkeling surfing and waterskiing"

"NOT RECOMMENDED FOR: active fitness not moisture-wicking and may cause overheating"

Coolibar Upf 50+ Men's Island Swim Trunks - Sun Protective (X-Large- Navy)

COOLIBAR
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Coolibar Sun Protective Clothing 9.84

Features

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

FABRIC: Aqua Plus Lite fabric is a lightweight woven fabric treated with a Durable Water Repellent finish (DWR) so that water beads-up and rolls off the surface; Intelligent features like subtle 4-way stretch and quick-dry make this UPF 50+ fabric ideal

FEATURES: Quick-dry mesh brief liner, elastic waistband with faux fly, and drawcord with reflective material; Handy side seam pockets, back welt pocket with hook and loop fastener; Inseam: 9 inches; Machine wash, tumble dry; Imported

RECOMMENDED FOR: swimming and water sports like snorkeling, surfing and waterskiing

NOT RECOMMENDED FOR: active fitness, not moisture-wicking and may cause overheating

Coolibar Upf 50+ Men's Island Swim Trunks - Sun Protective (Medium- Navy)

COOLIBAR
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Coolibar Sun Protective Clothing 9.83

Features

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

FABRIC: Aqua Plus Lite fabric is a lightweight woven fabric treated with a Durable Water Repellent finish (DWR) so that water beads-up and rolls off the surface; Intelligent features like subtle 4-way stretch and quick-dry make this UPF 50+ fabric ideal

FEATURES: Quick-dry mesh brief liner, elastic waistband with faux fly, and drawcord with reflective material; Handy side seam pockets, back welt pocket with hook and loop fastener; Inseam: 9 inches; Machine wash, tumble dry; Imported

RECOMMENDED FOR: swimming and water sports like snorkeling, surfing and waterskiing

NOT RECOMMENDED FOR: active fitness, not moisture-wicking and may cause overheating

Top 10 mens swim trunks Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Coolibar 8

Top 10 mens swim trunks Brands Pie Chart


We've carried out a comprehensive analysis of 213 reviews on mens swim trunks, using our selection criteria to identify the best options in the men's fashion. Our findings reveal that most customers typically select mens swim trunks priced around $57.93, with top brands including kanu surf, amazon essentials, maamgic, silkworld, quiksilver, nautica, ft fenteng, american trends and g gradual and calvin klein

Our team of expert editors reviewed these high-quality items and handpicked the top 8 mens swim trunks for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the men's fashion category. These include amazon.com, baohui fashion store, silkworld®, zappos, p fenteng-shop, american trends, g-gradual, hde and aptro-us and tyhengta .

We are dedicated to assisting our users in finding the right trunks Products based on their needs, saving them considerable time when choosing which mens swim trunks to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.