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

    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

    Filter & Sort

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    EGO SATIN LACE TRIM BUTTON DOWN BOXER SHORT IN BLACK, Women's Size UK 6
    EGO

    EGO Satin Lace Trim Boxer Short in Black

    £12.00
    Yours Curve White Lace High Waisted Light Control Briefs
    Yours

    Yours White Lace High Waisted Light Control Briefs

    £12.00
    Marks & Spencer M&S 5 Pack Cotton Rich Ribbed High Leg Knickers Light Cream
    Marks & Spencer

    M&S 5 Pack Cotton Rich Ribbed High Leg Knickers Light Cream

    £7.00
    New Look Women's Black Satin Tanga Thong New Look
    New Look

    New Look Black Satin Tanga Thong

    £7.99
    British Boxers British Boxers Women's Pack of Four "Kohl Black" Bamboo Hipster Boxer Briefs in Black
    British Boxers

    British Boxers Kohl Black Bamboo Hipster Briefs Pack of Four

    £30.60
    EGO Flex-Appeal Thong Strap Heel Mule In Brown Woven, Women's Size UK 7
    EGO

    EGO Flex-Appeal Thong Strap Heel Mule in Brown

    £25.00
    Yours Curve Navy Blue Floral Embroidered Full Briefs
    Yours

    Yours Navy Blue Floral Embroidered Full Briefs

    £7.99
    Marks & Spencer M&S Savannah Satin Tanga Brazilian Knickers Medium Brown
    Marks & Spencer

    M&S Medium Brown Satin Tanga Brazilian Knickers

    £6.00
    New Look Women's Black Spot Embroidered Eyelash Lace Tanga Thong New Look
    New Look

    New Look Black Spot Embroidered Eyelash Lace Tanga Thong

    £7.99
    British Boxers British Boxers Women's "Stornoway" Herringbone Brushed Cotton Pyjama Trousers in Teal
    British Boxers

    British Boxers Teal Brushed Cotton Pyjama Trousers

    £55.25
    Yours Plus Size Light Blue Floral Lace Brazilian Briefs
    Yours

    Yours Plus Size Light Blue Floral Lace Brazilian Briefs

    £7.99
    Marks & Spencer M&S 10 Pack Cotton Lycra® High Leg Knickers Black
    Marks & Spencer

    M&S 10 Pack Cotton Lycra® High Leg Knickers Black

    £16.00
    New Look Women's Blue Foiled Lace Mesh Brazilian Briefs New Look
    New Look

    New Look Blue Foiled Lace Mesh Brazilian Briefs

    £3.00
    British Boxers British Boxers Women's Pack of Three "Amusements" Cotton Full Briefs
    British Boxers

    British Boxers Multicolor Cotton Full Briefs Pack of Three

    £21.25
    Yours Curve Grey Marl Lace Back Full Briefs
    Yours

    Yours Curve Grey Marl Lace Back Full Briefs

    £7.99
    Marks & Spencer M&S 3 Pack Jasmine All Over Lace Hipster Knickers Dark Raspberry
    Marks & Spencer

    M&S 3 Pack Jasmine All Over Lace Hipster Knickers Dark Raspberry

    £5.00
    New Look Women's Tan Bonded Smooth High Waisted Medium Control Shaping Brazilian Briefs New Look
    New Look

    New Look Tan Bonded Smooth High Waisted Medium Control Brazilian

    £3.00
    British Boxers British Boxers Women's Pack of Three "Kohl Black" Cotton Full Briefs in Black
    British Boxers

    British Boxers Kohl Black Cotton Full Briefs Pack of Three

    £21.25
    Yours Plus Size Black Medium Control High Waisted Briefs
    Yours

    Yours Plus Size Black Medium Control High Waisted Briefs

    £14.00
    Marks & Spencer M&S 5pk Microfibre Full Briefs Eco White
    Marks & Spencer

    M&S 5pk Microfibre Full Briefs Eco White

    £12.00
    New Look Women's Navy Seamless Ribbed Thong New Look
    New Look

    Women's Navy Seamless Ribbed Thong New Look

    £7.99
    British Boxers British Boxers Women's "French Navy" Cotton Joggers in Navy
    British Boxers

    British Boxers Navy Cotton Joggers for Women

    £46.75
    Yours Plus Size Chocolate Brown Microfibre Lace Full Briefs
    Yours

    Yours Plus Size Chocolate Brown Microfibre Lace Full Briefs

    £7.99
    Marks & Spencer M&S 3 Pack Jasmine Mesh Brazilian Knickers Dark Raspberry
    Marks & Spencer

    M&S 3 Pack Jasmine Mesh Brazilian Knickers Dark Raspberry

    £7.00

    Showing 168 of 482

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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.