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

    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

    647 products

    Filter & Sort

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    Marks & Spencer M&S 3 Pack Flexifit™ Modal Rich Period Knickers Black
    Marks & Spencer

    M&S 3 Pack Flexifit™ Modal Rich Period Knickers

    £20.00
    New Look Women's Dark Brown Seamless Shaping High Leg High Waisted Thong New Look
    New Look

    New Look Dark Brown Seamless High Leg Thong

    £9.99
    Marks & Spencer M&S 3pk Cotton Rich High Leg Knickers Black
    Marks & Spencer

    M&S Comfortable High Leg Knickers in Black

    £8.00
    New Look Women's Black Seamless Shaping High Leg High Waisted Thong New Look
    New Look

    New Look Black Seamless Shaping High Leg Thong

    £9.99
    Marks & Spencer M&S 5pk Cotton Rich Lycra® High Leg Knickers Black
    Marks & Spencer

    M&S Comfort High Leg Knickers in Black

    £8.00
    New Look Women's Black Seamless Shaping High Waisted Brazilian Briefs New Look
    New Look

    New Look Black Seamless Shaping High Waisted Brazilian Briefs

    £9.99
    Marks & Spencer M&S 2 Pack Embrace Brazilian Knickers Ivory Mix
    Marks & Spencer

    M&S Embrace Brazilian Knickers in Ivory Mix

    £12.00
    New Look Women's Tan Seamless Shaping High Leg High Waisted Thong New Look
    New Look

    New Look Tan Seamless Shaping High Leg Thong

    £9.99
    Marks & Spencer M&S 5 Pack Cotton Modal Hipster Knickers Rose Quartz
    Marks & Spencer

    M&S Rose Quartz Hipster Knickers Pack of 5

    £12.00
    New Look Women's Red Floral Lace Brazilian Briefs New Look
    New Look

    New Look Red Floral Lace Brazilian Briefs

    £3.99
    Marks & Spencer M&S 5 Pack Cotton Modal Hipster Knickers Black
    Marks & Spencer

    M&S Hipster Knickers in Black

    £12.00
    New Look Women's Black Medium Flow Period Brazilian Briefs New Look
    New Look

    New Look Black Jersey Brazilian Briefs

    £8.99
    Marks & Spencer M&S 3 Pack Cotton Rich Brazilian Knickers Black
    Marks & Spencer

    M&S 3 Pack Cotton Rich Brazilian Knickers

    £8.00
    New Look Women's Plus Size Tan High Waisted Micro Thong Curves New Look
    New Look

    New Look Tan High Waisted Micro Thong

    £4.79
    Marks & Spencer M&S 5 Pack Cotton Modal Thongs Rose Quartz
    Marks & Spencer

    M&S 5 Pack Cotton Modal Thongs Rose Quartz

    £12.00
    New Look Women's Plus Size Black Micro High Waisted Brazilian Briefs Curves New Look
    New Look

    New Look Plus Size Black Brazilian Briefs Set

    £4.79
    Marks & Spencer M&S 7 Pack Pure Cotton High Leg Knickers Pink Mix
    Marks & Spencer

    M&S Soft High Leg Knickers in Pink Mix

    £11.00
    New Look Women's White Floral-Lace Brazilian Briefs New Look
    New Look

    New Look White Floral-Lace Brazilian Briefs

    £5.99
    Marks & Spencer M&S 5pk No VPL Cotton Modal Brazilian Knickers Red Mix
    Marks & Spencer

    M&S No VPL Cotton Modal Brazilian Knickers in Red Mix

    £12.00
    New Look Women's Floral Lace Thong New Look
    New Look

    New Look White Floral Lace Thong

    £2.99
    Marks & Spencer M&S 7 Pack Pure Cotton Thongs Cream Mix
    Marks & Spencer

    M&S Pure Cotton Thongs Cream Mix 7-Pack

    £11.00
    Marks & Spencer M&S 3pk Cotton Rich Lace Brazilian Stoma Knickers Black
    Marks & Spencer

    M&S Practical Lace Brazilian Stoma Knickers in Black

    £20.00
    Marks & Spencer M&S 3pk Amelia Lace High Leg Knickers Black
    Marks & Spencer

    M&S High Leg Lace Knickers Set in Black

    £14.00
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    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.