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

    Blue 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

    47 products

    Filter & Sort

    -
    Marks & Spencer M&S 10pk Cotton Lycra® Full Brief Knickers Dark Blue
    Marks & Spencer

    M&S Dark Blue Full Brief Knickers 10-Pack

    £16.00
    New Look Women's Maternity 3 Pack Pale Blue Cream and Black Animal Print Briefs New Look
    New Look

    New Look Maternity 3 Pack Briefs: Pale Blue, Cream, Black

    £7.00
    Ann Summers Women's Bright Blue Yours Truly Brazilian Briefs Ann Summers New Look
    Ann Summers

    Ann Summers Bright Blue Brazilian Briefs

    £5.00
    British Boxers British Boxers Women's "Marrakesh Paisley" Crisp Cotton Strappy Nightdress in Bright Blue
    British Boxers

    British Boxers Bright Blue Paisley Strappy Nightdress

    £47.01
    EGO Lavished Padded Thong Strap Heeled Mule In Blue Velvet, Women's Size UK 3
    EGO

    EGO Padded Thong Strap Heeled Mule in Blue Velvet

    £25.00
    New Look Women's Light Blue Floral Lace Thong New Look
    New Look

    New Look Light Blue Floral Lace Thong

    £7.99
    British Boxers British Boxers Women's "Boat Blue" Stripe Crisp Cotton Dressing Gown in Light Blue
    British Boxers

    British Boxers Light Blue Stripe Cotton Dressing Gown

    £79.69
    New Look Women's Light Blue Daisy Mesh Thong New Look
    New Look

    New Look Light Blue Daisy Mesh Thong

    £3.49
    British Boxers British Boxers Women's "Schoolhouse Blue" Gingham Crisp Cotton Mid-Length Dressing Gown in Light Blue
    British Boxers

    British Boxers Light Blue Gingham Dressing Gown

    £73.32
    New Look Women's Light Blue Satin Look Micro Lace Thong New Look
    New Look

    New Look Light Blue Satin Look Lace Thong

    £3.99
    British Boxers British Boxers Women's "Breezy Blue Satin Stripe" Crisp Cotton Short Sleeve Nightshirt in Baby Blue
    British Boxers

    British Boxers Baby Blue Cotton Nightshirt

    £52.96
    British Boxers British Boxers Women's "Breezy Blue Satin Stripe" Crisp Cotton Mid-Length Dressing Gown in Baby Blue
    British Boxers

    British Boxers Baby Blue Cotton Robe

    £68.43
    New Look Women's Blue Floral Lace Thong New Look
    New Look

    New Look Blue Floral Lace Thong

    £6.39
    British Boxers British Boxers Women's "Breezy Blue Satin Stripe" Crisp Cotton Pyjama Trousers in Baby Blue
    British Boxers

    British Boxers Baby Blue Striped Cotton Pyjama Trousers

    £38.68
    New Look Women's Light Blue Ruched Back Thong New Look
    New Look

    New Look Light Blue Ruched Back Thong

    £2.99
    British Boxers British Boxers Women's "Schoolhouse Blue" Gingham Crisp Cotton Strappy Nightdress in Light Blue
    British Boxers

    British Boxers Light Blue Gingham Cotton Strappy Nightdress

    £50.37
    British Boxers British Boxers Women's "Breezy Blue Satin Stripe" Crisp Cotton Strappy Nightdress in Baby Blue
    British Boxers

    British Boxers Baby Blue Striped Cotton Nightdress

    £47.01
    British Boxers British Boxers Women's "Breezy Blue Satin Stripe" Crisp Cotton Short Pyjama Set in Baby Blue
    British Boxers

    British Boxers Baby Blue Striped Cotton Short Pyjama Set

    £62.48
    British Boxers British Boxers Women's "Boat Blue" Stripe Crisp Cotton Short Sleeve Nightshirt in Light Blue
    British Boxers

    British Boxers Light Blue Stripe Cotton Nightshirt

    £56.74
    British Boxers British Boxers Women's "Boat Blue" Stripe Crisp Cotton Pyjama Trousers in Light Blue
    British Boxers

    British Boxers Light Blue Stripe Cotton Pyjama Trousers

    £41.44
    British Boxers British Boxers Women's "Marrakesh Paisley" Crisp Cotton 3/4 Length Pyjama Set in Bright Blue
    British Boxers

    British Boxers Bright Blue Paisley Pyjama Set

    £110.00
    British Boxers British Boxers Women's 'Staffordshire Blue' Herringbone Brushed Cotton Pyjama Trousers in Blue
    British Boxers

    British Boxers Blue Brushed Cotton Pyjama Trousers

    £39.00
    British Boxers British Boxers Women's Pack of Four "Seagreen" Bamboo Hipster Boxer Briefs in Bright Blue
    British Boxers

    British Boxers Bright Blue Hipster Briefs Pack of Four

    £36.00
    British Boxers British Boxers Women's Pack of Four "Seagreen" Bamboo High Leg Knickers in Bright Blue
    British Boxers

    British Boxers Bright Blue Bamboo Knickers Pack of Four

    £28.00

    Showing 24 of 47

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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.