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
482 products
Limited Collection
Limited Collection Plus Size Blue Stripe Boxer Waist Trousers
£22.99
Playful Promises
Playful Promises Teal Green Floral Embroidered Thong
£18.00
Yours
Yours Light Brown Seamless Light Control High Waisted Full Briefs
£12.00
New Look
New Look Dark Pink Floral Lace Thong
£2.99
Marks & Spencer
M&S Cream Papertouch Lace Brazilian Knickers
£8.00
British Boxers
British Boxers Pink Bamboo Polka Print Pyjama Set
£50.15
River Island
River Island Womens Brown Toe Thong Croc Wedges
£36.00
SALE
ASOS
ASOS Grey Tie Waist Boxer Jogger
£16.99£40.00
Ann Summers
Ann Summers Teal and Pink Lace Thong
£4.00
Modibodi
Women's Black Light Flow Seamfree Period Thong Modibodi New Look
£15.99
Dorina
Dorina Black Sculpting High Waist Briefs
£6.00
EGO
EGO Beige Rubber Thong Strap Kitten Heeled Mules
£24.00
French Connection
FCUK 3 Pack Ribbed Briefs Black/White
£26.00
DKNY
DKNY White Cotton Notch Top & Boxer Sleep Set
£89.00
GWB Shapewear
GWB Shapewear Brown Low Back Tummy Control Bodysuit
£47.99
Calvin Klein
Calvin Klein Black Leather Thong Sandal with Hardware
£90.00
HUGO
HUGO Women's Triplet Thong Lace Black
£24.15
revolve
Revolve Sculpt Thong Bodysuit in Soft Nude
£43.46
Limited Collection
Limited Collection Plus Size Navy Blue Stripe Boxer Waist
£22.99
Yours
Yours Pink Seamless Light Control High Waisted Full Briefs
£12.00
Playful Promises
Playful Promises White Illusion Strap High Waisted Mesh Briefs
£22.00
New Look
New Look Black Mesh High Waisted Shaping Thong
£5.00
British Boxers
British Boxers Women's Pack of Four Leopard Rose Bamboo Hipster
£30.60
Marks & Spencer
M&S Isabella Embroidered Mesh High Leg Knickers Black
£15.00
Showing 24 of 482
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.