Casual Underwear
Comfortable, well-fitting underwear is the foundation of every outfit, literally. Briefs, thongs, hipsters, boy shorts, seamless styles in cotton, modal, lace, and performance fabrics. We carry options from M&S, ASOS, and specialist brands across a wide range of sizes. Many featured brands offer inclusive sizing and sustainable fabrics. Use our filters to browse by style and fabric, or tell the AI stylist what you need.
Products
353 products
British Boxers
British Boxers Light Green Gingham Nightdress
£33.58
EGO
EGO Taupe Faux Suede Gladiator Sandal
£30.00
Marks & Spencer
M&S Soft Blue Cotton Lycra Full Briefs 5-Pack
£8.00
New Look
New Look Yellow Floral Lace Bow Thong
£2.00
British Boxers
British Boxers Women's 'Montrose' Check Brushed Cotton Nightshirt
£60.57
EGO
EGO Black Faux Leather Thong Strap Flat Slider Sandal
£30.00
Marks & Spencer
M&S Red Mix Floral Lace Midi Knickers 5-Pack
£12.00
New Look
New Look Plus Size Black Leopard Print High Waisted Thong
£5.00
British Boxers
British Boxers Bright Blue Paisley Strappy Nightdress
£47.01
EGO
EGO Brown Faux Suede Thong Strap Kitten Heeled Mule
£26.00
Marks & Spencer
M&S 5pk Microfibre Full Briefs Brown Mix
£12.00
New Look
New Look Black V Lace Front Brazilian Briefs
£4.49
British Boxers
British Boxers Women's Grey Stripe Brushed Cotton Nightshirt
£40.38
EGO
EGO Black Patent Thong Strap Low Heeled Mule
£24.00
New Look
New Look White Bonded High Waist Micro Thong
£7.99
Marks & Spencer
M&S 5pk Microfibre High Leg Knickers Eco White
£12.00
British Boxers
British Boxers Light Green Gingham Nightshirt
£37.83
EGO
EGO Taupe Faux Suede Kitten Heeled Mule, Women's Size UK 3
£26.00
New Look
New Look Black Bonded High Waist Micro Thong
£7.99
Marks & Spencer
M&S Soft Green Cotton Lycra High Leg Knickers 5pk
£8.00
British Boxers
British Boxers Kohl Black Bamboo Hipster Briefs Pack of Four
£30.60
EGO
EGO Nude Faux Suede Thong Strap Low Heeled Mule
£24.00
New Look
New Look Red Heart Embroidered High Waisted Thong
£4.00
Marks & Spencer
M&S 5pk Cotton Rich Lycra® High Leg Knickers Bitter Chocolate
£8.00
Showing 72 of 353
Frequently Asked Questions
What underwear style is most comfortable for daily wear?▾
Highly personal, but mid-rise hipsters or briefs in cotton or modal are popular for all-day comfort. Seamless styles work best under fitted clothing. The key is finding something that doesn't dig in, ride up, or bunch. Our size guides per brand help get this right first time.
How often should I replace underwear?▾
Every 6-12 months depending on wear frequency. Signs: stretched elastic, faded colour, thinning fabric, loss of shape. Having 15-20 pairs in rotation ensures none are overworked. This is one category where new rather than preloved makes sense.
What underwear works best under tight-fitting clothes?▾
Seamless, bonded-edge underwear in a nude matching your skin tone. Thongs eliminate visible lines entirely. Laser-cut edges lie flat. Avoid lace edges, thick seams, or decorative details under figure-hugging garments, they show through more than you'd expect.