Men's cotton trunks with a close, supportive fit, shorter leg and breathable comfort for everyday wear. Soft cotton fabric, no-dig waistband and a functional keyhole fly provide lasting comfort and a secure fit from morning to night.
Browse our men's cotton trunks in convenient 3-pair multipacks below, or discover the smooth, lightweight, moisture-wicking comfort of our Men’s Bamboo Boxers range.
Save 10% when you buy any 2 or more packs.
More Packs. Better Value
Designed for a close, supportive fit, these cotton keyhole trunks offer all-day comfort with a structured feel. The shorter leg helps prevent riding up, while breathable cotton helps keep you feeling cool and dry, and a functional keyhole opening adds everyday practicality. These men’s cotton trunks feature a soft, no-dig waistband that stays secure and comfortable from morning to night.
Shop Men's Underwear by Type
Find the right fit for everyday comfort.
Choose from men's cotton trunks with a fitted design, classic keyhole fly or button front fly to suit your preferred style. Browse Men’s Bamboo Trunks, Bamboo T-shirts, complete your rotation with Men's Everyday Socks or view the full range of Men's Underwear.
How Many Pairs of Men's Cotton Trunks Do I Need?
A good cotton underwear rotation means having enough fresh pairs for work, weekends, holidays and wash days. Around 10–14 pairs gives you a comfortable weekly rotation, helping your men's cotton trunks last longer by spreading wear more evenly.
Multipacks make it easy to stock up while offering better value per pair. Save 10% when you buy any 2 or more packs.
Or combine Men’s Bamboo Socks and Bamboo Underwear for a soft, breathable underwear upgrade.
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Why Choose Men's Cotton Trunks?
| Compare |
Boxer Shorts | Trunks |
| Leg Length | Longer | Shorter |
| Fly Opening | Keyhole | Fitted, Keyhole or Button Front |
| Coverage | More | Less |
| Everyday Wear | Excellent | Excellent |
| Under Slim Clothing | Good | Excellent |
Men's Cotton Trunks FAQs
Yes. Men’s cotton trunks are designed for everyday comfort, with a soft, breathable feel and a close, supportive fit. Cotton fabric helps keep you comfortable throughout the day, while a functional keyhole fly ensures easy use, making them ideal for daily wear. A soft, flexible waistband sits securely on the hips without digging in or riding up.
Browse the Men's Bamboo Boxer Shorts range for more keyhole fly underwear.
Yes. Men’s cotton trunks are designed with a shorter leg and a secure, close fit that stays in place throughout the day. This helps prevent riding up, bunching or discomfort during everyday wear.
Looking for softer, breathable fabrics? Shop Men's Bamboo Underwear.
Trunks have a shorter leg and a closer fit than boxer shorts, offering more support while reducing excess fabric and bunching. They're a popular choice for everyday wear, especially under slimmer-fitting trousers and jeans.
Need help choosing? See our Underwear Types Guide. Learn more about the differences between boxers and trunks in our Boxer Shorts vs Trunks Guide.