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Men's Swimwear Bottoms

Swim shapes divide first by how much leg they cover and second by how the waist is held. Classic trunks sit short on the thigh with an elastic waistband and drawcord, while board shorts extend past mid-thigh toward the knee and fasten flat with a fly and lace closure so nothing bunches. Square-cut shapes keep a short, squared leg across the upper thigh, briefs remove the leg entirely for a clean swimming line, and jammers carry that close fit down toward the knee.

Linings decide comfort more than the shell does: a mesh brief drains fast and supports, a compression liner reduces friction over distance, and unlined shells run cooler on their own. Quick-dry polyester holds its colour longest against chlorine and sun, while recycled nylon sheds water with a softer hand. Bar tacks reinforce the stress points, a rear welt pocket drains through a small eyelet, and flatlock seams keep the inside smooth when wet.

2 left Neon Green Polyester BMBX-RIO-41 Swim Shorts by Diesel | DIHSAN
Sale price$70 Regular price$175
Blue Polyester BMBX-RIO-41 Swim Shorts by Diesel | DIHSAN
Sale price$70 Regular price$175
Black Polyester BMBX-Ken-37 Swim Shorts by Diesel | DIHSAN
Sale price$50 Regular price$120
2 left Black/Red Polyester BMBX-Mario-34 Swim Shorts by Diesel | DIHSAN
Sale price$80 Regular price$195
Garden Sands Orchid Cotton Blend Kian Swim Shorts by Rails | DIHSAN
Sale price$104 Regular price$128
1 left Black Polyester Purple Jeans Shattered Swim Shorts by Purple | DIHSAN
Sale price$137 Regular price$235
1 left Black/White Polyester Tabloid Swim Shorts by Purple | DIHSAN
Sale price$159 Regular price$235
1 left Black/White Recycled Dante Bermuda Shorts by Mackage | DIHSAN
Sale price$161 Regular price$275
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Frequently asked questions

All FAQ's

Men's Swimwear Bottoms

What is the difference between swim trunks, board shorts, square-cut styles and jammers?

Swim trunks have an elastic waistband with a drawcord, a short inseam of roughly five to seven inches, and usually a mesh liner inside. Board shorts run longer, past mid-thigh toward the knee, and use a flat fly with a lace closure so nothing bunches under a board. Square-cut styles keep a short, squared leg across the upper thigh; a brief cuts the leg away completely for a clean swimming line. Jammers take that same close fit down toward the knee, which is why lap swimmers reach for them.

How should I care for swimwear after chlorine or salt water?

Rinse in cool fresh water as soon as you are out. Chlorine and salt both attack elastane, and salt crystals abrade the fibres as the fabric dries. Hand wash in cool water with a mild detergent, never wring, and press the water out in a towel instead. Dry flat in the shade, since direct sun and a tumble dryer both break down elastic. Try not to sit in a wet suit on rough concrete or pool decking, which abrades the face of the fabric and pills it.

Are DIHSAN's swimwear pieces authentic?

Yes. Every piece DIHSAN sells is the brand's own — genuine designer product, with the maker's hardware, stamping and markings intact. Nothing is a reproduction or a licensed imitation.

Will I be charged duties on a DIHSAN swimwear order?

No. Duties are included on every DIHSAN order, and US orders include taxes as well.

Can I return a swimwear purchase at DIHSAN?

Yes. Eligible swimwear pieces can go back within 14 days of the ship date, for store credit rather than cash, and shipping charges are non-refundable. Items discounted 70% or more — plus swimwear, intimates, and limited-release styles at any discount — are final sale.