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    1. Home
    2. /Men
    3. /Clothing
    4. /Underwear & Socks
    5. /Underwear

    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

    511 products

    Filter & Sort

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    Marks & Spencer M&S 10pk Cotton Stretch Hipsters Black Mix
    Marks & Spencer

    M&S 10pk Cotton Stretch Hipsters Black Mix

    £45.00
    British Boxers British Boxers Men's "Acorn Squash" Check Brushed Cotton Pyjama Set in Dark Green
    British Boxers

    British Boxers Men's Acorn Squash Check Pyjama Set in Dark Green

    £39.10
    Marks & Spencer M&S 5 Pack Cotton Stretch Trunks Multi
    Marks & Spencer

    M&S 5 Pack Cotton Stretch Trunks Multi

    £28.00
    British Boxers British Boxers Men's "Stowe Prussian Blue & White Stripe" Crisp Cotton Short Pyjama Set in Navy
    British Boxers

    British Boxers Navy Blue & White Striped Cotton Pyjama Set

    £66.94
    Marks & Spencer M&S 5 Pack Pure Cotton Cool & Fresh™ Trunks Denim Mix
    Marks & Spencer

    M&S 5 Pack Pure Cotton Cool & Fresh™ Trunks Denim Mix

    £30.00
    British Boxers British Boxers Men's Two Pack "Royal Blue & Navy" Bamboo T-Shirts in Navy
    British Boxers

    British Boxers Men's Two Pack Navy Bamboo T-Shirts

    £11.48
    Marks & Spencer M&S 5 Pack Pure Cotton Stretch Striped Trunks Navy Mix
    Marks & Spencer

    M&S Navy Mix Pure Cotton Stretch Trunks 5 Pack

    £30.00
    British Boxers British Boxers Men's Pack of Four "Hoopla Stripes" Bamboo Briefs
    British Boxers

    British Boxers Men's Pack of Four 'Hoopla Stripes' Bamboo Briefs

    £16.32
    Marks & Spencer M&S 4 Pack Cotton Stretch Cool & Fresh™ Slips Denim Mix
    Marks & Spencer

    M&S Cotton Stretch Slips Denim Mix 4 Pack

    £18.00
    British Boxers British Boxers Men's "Azure Blue" Cotton T-Shirt in Blue
    British Boxers

    British Boxers Men's Azure Blue Cotton T-Shirt in Blue

    £17.26
    Marks & Spencer M&S 5 Pack Cool & Fresh™ Cotton Rich Hipsters Black
    Marks & Spencer

    M&S Black Cotton Rich Hipsters 5 Pack

    £28.00
    British Boxers British Boxers Men's "Moss" Herringbone Brushed Cotton Pyjama Set in Dark Green
    British Boxers

    British Boxers Men's Moss Dark Green Brushed Cotton Pyjama Set

    £48.88
    Marks & Spencer M&S 5 Pack Cotton Stretch Striped Hipsters Blue Mix
    Marks & Spencer

    M&S 5 Pack Cotton Stretch Striped Hipsters Blue Mix

    £30.00
    British Boxers British Boxers Men's "Marrakesh Paisley" Crisp Cotton Pyjama Set in Bright Blue
    British Boxers

    British Boxers Men's Bright Blue Paisley Pyjama Set

    £78.20
    Marks & Spencer M&S 5 Pack Cotton Stretch Longer Length Trunks Blue Mix
    Marks & Spencer

    M&S Blue Mix Cotton Stretch Longer Length Trunks 5 Pack

    £28.00
    British Boxers British Boxers Men's "Celt Navy" Tartan Brushed Cotton Nightshirt in Navy
    British Boxers

    British Boxers Men's Navy Tartan Nightshirt

    £42.08
    Marks & Spencer M&S 4 Pack Cotton Stretch Cool & Fresh™ Slips Grey Mix
    Marks & Spencer

    M&S 4 Pack Cotton Stretch Boxer Briefs Grey Mix

    £18.00
    British Boxers British Boxers Men's "Navy Paisley" Crisp Cotton Dressing Gown in Dark Navy
    British Boxers

    British Boxers Men's Navy Paisley Cotton Dressing Gown

    £74.38
    Marks & Spencer M&S 5 Pack Cool & Fresh™ Cotton Rich Hipsters Multi
    Marks & Spencer

    M&S 5 Pack Cool & Fresh™ Cotton Rich Hipsters Multi

    £28.00
    British Boxers British Boxers Men's "Marrakesh Paisley" Crisp Cotton Short Pyjama Set in Bright Blue
    British Boxers

    British Boxers Men's Bright Blue Paisley Pyjama Set

    £71.40
    Marks & Spencer M&S 5 Pack StayNew™ Pure Cotton Striped Slips Teal Mix
    Marks & Spencer

    M&S 5 Pack StayNew™ Pure Cotton Striped Briefs Teal Mix

    £28.00
    British Boxers British Boxers Men's "Navy Pinstripe" Crisp Cotton Dressing Gown in Mid Navy
    British Boxers

    British Boxers Men's Navy Pinstripe Cotton Dressing Gown

    £79.69
    Marks & Spencer M&S 5 Pack Cotton Stretch Longer Length Trunks White
    Marks & Spencer

    M&S 5 Pack Cotton Stretch Longer Length Trunks White

    £28.00
    British Boxers British Boxers Men's 'Dumbarton' Tartan Brushed Cotton Pyjama Trousers
    British Boxers

    British Boxers Men's 'Dumbarton' Tartan Pyjama Trousers

    £43.99

    Showing 336 of 511

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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.