Casual Underwear
Boxers, trunks, briefs, the basics done properly make more difference than people realise. We carry men's underwear from M&S, ASOS, and specialist brands in cotton, modal, and performance fabrics. Quality underwear that fits well and holds its shape is worth the slight premium. Compare brands and packs in one place, and use our AI stylist if you want specific recommendations.
Products
394 products
British Boxers
British Boxers Men's Royal Regimental Satin Stripe Nightshirt
£62.48
Marks & Spencer
M&S 5 Pack Cotton Stretch Assorted Pattern Briefs Blue Mix
£28.00
Calvin Klein
Calvin Klein Men's Icon Cotton Hip Brief 3Pk White
£39.60
Tommy Hilfiger
Tommy Hilfiger Men's Signature 3P Wb Trunk in Black
£28.90
Henleys
Henleys Men's Trilock Boxers 3pk in Black
£16.50
British Boxers
British Boxers Men's Acorn Squash Check Pyjama Set in Dark Green
£39.10
Marks & Spencer
M&S 5 Pack Essential Cotton Briefs White
£16.00
Calvin Klein
Calvin Klein Men's Icon Cotton Trunks 3 Pack White
£39.60
Tommy Hilfiger
Tommy Hilfiger Men's Signature 3 Pack Cotton Trunks - Navy
£30.60
British Boxers
British Boxers Men's Two Pack Navy Bamboo T-Shirts
£11.48
Calvin Klein
Calvin Klein Men's Icon Cotton Relaxed Fit Trunk 3P, Black
£39.60
Tommy Hilfiger
Tommy Hilfiger Men's Signature 3P Trunk Metallic Gold
£23.65
Marks & Spencer
M&S 5 Pack Cotton Rich Stretch Hipsters
£28.00
British Boxers
British Boxers Men's Pack of Four 'Hoopla Stripes' Bamboo Briefs
£16.32
Calvin Klein
Calvin Klein Men's 100% Cotton Trunk 3 Pack Black
£30.40
Tommy Hilfiger
Tommy Hilfiger Men's Signature 3 Pack Trunks - White
£30.60
Marks & Spencer
M&S Multi Cotton Stretch Hipsters Pack of 5
£28.00
British Boxers
British Boxers Men's Azure Blue Cotton T-Shirt in Blue
£17.26
Calvin Klein
Calvin Klein Men's Cotton Trunks 3 Pack - White
£26.60
Tommy Hilfiger
Tommy Hilfiger Men's Signature 3 Pack Logo Waistband Trunks Black
£20.40
Marks & Spencer
M&S 5pk Cotton Stretch Cactus Hipsters
£30.00
British Boxers
British Boxers Men's Dark Navy Cotton T-Shirt
£17.26
Calvin Klein
Calvin Klein Men's Relaxed Fit Trunk 3Pk Multi White/Blue/Grey
£39.60
Marks & Spencer
M&S 5 Pack Pure Cotton Cool & Fresh™ Slips
£28.00
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Frequently Asked Questions
What is the most comfortable men's underwear style?▾
Boxer briefs (trunks) are the most popular, snug without being restrictive, preventing thigh chafing, working under all clothing. Cotton-modal blends or micro-modal fabric for maximum softness. But it's personal, some prefer loose boxers, others need the support of briefs.
How many pairs of underwear should a man own?▾
Minimum 14 for two weeks of daily changes. A more comfortable rotation is 20-25. Include everyday basics, sports underwear for exercise, and a couple of smarter pairs. Replace anything with stretched waistbands or holes, no excuses.
What fabric is best for men's underwear?▾
Cotton is the classic, breathable, soft, easy to wash. Modal and micro-modal feel silkier with better moisture management. Polyester-elastane for sports. Avoid pure synthetics for everyday as they trap heat. The right fabric makes the difference between underwear you tolerate and underwear you actually prefer.