As a Fashion Editor, this is my preferred high-street brand for underwear.

As a Fashion Editor, this is my preferred high-street brand for underwear.

      It's easy to see that a fantastic outfit really begins with getting the fundamentals right, which often means ensuring you have well-fitting and comfortable underwear. Once those basics are in order, everything else tends to come together seamlessly, and you're much more likely to feel at ease and supported throughout your day. The era of poorly fitting bras and uncomfortable underwear is over. In 2026, I'm all about discovering underwear that meets all my criteria, and I'm determined not to compromise.

      Luckily, there are numerous options available, both online and in stores, to find underwear that is stylish and fits well without breaking the bank. Marks & Spencer is a trusted source for just that. It has a longstanding reputation for providing a blend of wardrobe essentials, trendy pieces, and daily must-haves (do Percy Pigs count as essentials? I certainly think so), and its underwear selection is no different.

      However, if you’re like me and haven’t refreshed your lingerie collection in years, the idea of shopping for underwear can feel daunting. Therefore, when my colleagues at Who What Wear asked me to gather the best M&S underwear available right now, I thought this was perfect timing. There’s a wide variety to choose from, including lingerie, shapewear, and everyday items—especially the newly launched BODY line from earlier this week.

      To simplify your search, I’ve compiled a list of the best options currently available—items that are practical, comfortable, and perfect for rotating in your wardrobe.

      **Shop the Best M&S Underwear:**

      **Shop the Best M&S Shapewear:**

      - **Body by M&S**

       - Body Sculpt Firm Control Seamless All in One

       This went straight into my basket.

      - **Body by M&S**

       - Body Sculpt Seamless Waist Cincher

       Sometimes you just want your waist to be cinched in without spending too much.

      - **Body by M&S**

       - Firm Control Body Sculpt Seamless Vest

       I appreciate how seamless this is, making it easy to layer under any top.

      - **Body by M&S**

       - Body Sculpt Seamless High Waist Thong

       Ideal for wearing under a satin cami dress to enhance your silhouette.

      - **Body by M&S**

       - Body Sculpt Seamless High Leg Shaping Body

       A supportive foundation layer that offers firmness.

      - **Body by M&S**

       - Body Sculpt Firm Control Seamless Thigh Slimmer

       This will create a sleek outline.

      **Shop the Best M&S Bras:**

      - **Body by M&S**

       - Body Lace Wired Demi Cup Bra

       Perfect for those who prefer a padded, underwired option.

      - **Body by M&S**

       - Body Invisibles™ Double Boost Push Up Bra

       Sometimes a push-up bra can boost your confidence.

      - **Body by M&S**

       - Body Soft™ Wired Plunge T-Shirt Bra

       Every lingerie collection needs a reliable t-shirt bra.

      - **Body by M&S**

       - Flexifit™ Non Wired Full Cup Bra

       I’ve been tending to avoid underwired bras lately, and this one meets all my needs.

      - **Body by M&S**

       - Body Invisibles™ Non Wired Strapless Bra

       The straps can be worn in different ways or completely removed.

      - **Body by M&S**

       - Body Invisibles™ Non Wired Micro Crop Top

       I love the seamless design for a soft finish under any top.

      **Shop the Best M&S Pants:**

      - **Body by M&S**

       - 3pk Flexifit™ Modal High Waisted Thongs

       A three-pack for £16 is a fantastic deal.

      - **Body by M&S**

       - 3 Pack Body Invisibles™ No Vpl G-String Thongs

       Perfect for a night out without worrying about visible lines.

      - **Body by M&S**

       - 3pk Body Soft™ Lace Thongs

       A lace thong adds a touch of sexiness.

      - **Body by M&S**

       - 3 Pack Body Invisibles™ No Vpl Thongs

       Comfortable enough for everyday wear.

      - **Body by M&S**

       - 2 Pack Body Invisibles™ Lace Brazilian Knickers

       I really love the khaki color.

      - **Body by M&S**

       - 3 Pack Body Invisibles™ No Vpl Dipped Thongs

       These are discreet under clothing.

      **Shop the Best M&S Lingerie:**

      - **M&S**

       - Jasmine Lace Wired Plunge Bra

       I adore this soft butter yellow shade.

      - **M&S**

       - Amelia Lace Wired Full Cup Bra

       Available in five different colors.

      - **Rosie**

       - Saffron Satin & Lace Wired Plunge Bra

       This lingerie set is simply beautiful.

      - **Rosie**

       - Silk & Lace Wired Balcony Bra

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As a Fashion Editor, this is my preferred high-street brand for underwear.

At this point, you're aware that at Who What Wear UK, we depend on M&S for nearly everything, including underwear. Continue scrolling to discover the top selections.