Men’s cotton trunks designed for everyday comfort with a close, stay-put fit, shorter leg and structured feel. A breathable, reliable option for daily wear, featuring a soft, no-dig brushed waistband and keyhole fly opening.
Browse cotton trunks for men in 3-pair multipacks below, or discover smooth, lightweight bamboo softness in the 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.
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.
Build Your Underwear Rotation
Most people just top up. Spairs is built for stocking up.
Build a reliable underwear rotation with enough fresh pairs ready for work, weekends and everyday wear.
Multipacks make it easier to stay stocked up, spread wear more evenly and avoid constant top-up orders. Add a couple of packs, and you’re sorted.
Combine Men’s Bamboo Socks and Bamboo Underwear for a soft, breathable underwear upgrade.
Built for Multibuy
Don't stop at one pack.
Add 2 or more packs and save 10%.
• Lower cost per pair
• More fresh pairs ready
• Fewer repeat orders
• One delivery — sorted
Do it once. Stock up properly.
1. CHOOSE →
Start with your first pack
2. ADD →
Another pack (or two)
3. UNLOCK →
10% Multibuy saving
4. STOCK UP
More pairs, lower price
Why Choose Men's Cotton Trunks?
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.