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    1. Health and Fitness

    The Future of Workout Style Is Here—7 K-Inspired Activewear Brands to Have on Your Radar

    Be the first in the know

    Amelia Yeomans's avatar
    By Amelia Yeomans
    Published 22 May 2026 In Buying Guides

    When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

    woman lunging wearing white workout shorts
    (Image credit: The Vault)
    Jump to category:
    • RIDAR
    • Undercontrol
    • Oysho
    • Organic Basics
    • On
    • Bandit
    • Planet Nusa
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    Korea's influence on the global market is undeniable—our skincare shelves are stacked with K-beauty, K-pop is setting records in the music industry, and now, it's coming for our activewear wardrobes.

    Street style in South Korea is consistently ahead of the curve, so it only makes sense that the nation is a step beyond on athleisure, too. Setting the standard for cool girl activewear brands with futuristic and functional pieces, taking some style tips from K-inspired activewear will put your workout style at the forefront of the summer activewear trends.

    Whilst many Korean brands themselves aren't available to shop in the UK right now, there are plenty of other brands taking inspiration. Think yoga flares, reflective running sunglasses, and workout clothes for women inspired by secondhand sportswear that will never lose its appeal. Defined by neutral colour palettes, gorp-core silhouettes, and distinctive prints and patterns with a space-age feel, there's a K-inspired piece for every exercise kit.

    K-inspired activewear brands: Quick shopping links

    • RIDAR: Shop futuristic running sunglasses
    • Undercontrol: Stylish workout hats and caps
    • Oysho: Huge range of activewear and swim
    • Organic Basics: Sleek minimalist sets
    • On: High performance technical gear
    • Bandit: Trendy patterns and basics
    • Planet Nusa: Statement colour palettes

    RIDAR

    RIDAR PEAK / R183 UNIVERSAL WHITE, R+ REVO MULTI MIRROR FOREST

    (Image credit: RIDAR)

    RIDAR PEAK / R183 UNIVERSAL WHITE, R+ REVO MULTI MIRROR FOREST

    Today's Best Deals
    £134.08 at RIDAR

    Reasons to buy

    +
    PolyCarbonate Lenses
    +
    UV400
    +
    Non-slip rubber

    Reasons to avoid

    -
    Import costs not included in price

    Korean brand RIDAR is undoubtedly one of the coolest glasses brands on the market. Designed for exercise with smart features like PolyCarbonate lenses, UV400, and non-slip nose pads, they're built for all conditions. Choose from statement reflective lenses or more minimalist pairs, all with the same clever design. Do note, shipping costs and import duties aren't included in the price, so be prepared to pay a little extra.

    Undercontrol

    undercontrol washed cap

    (Image credit: Undercontrol)

    Undercontrol Washed Cap

    Today's Best Deals
    £43.96 at Undercontrol

    Reasons to buy

    +
    Keeps glasses secure
    +
    Huge range of designs
    +
    More affordable

    Reasons to avoid

    -
    Shipping takes a while

    Another Korean brand making waves is Undercontrol, specialising in seriously cool headgear for all occasions. Think sports caps, beanies, brimless hats and more. This particular cap is built to be worn with sunglasses, and has high-stretch elastic back band and a WOOJIN plastic buckle to make it adjust perfectly to your head. Not to mention, it looks elevated too.

    Oysho

    Long-sleeved technical T-shirt with text

    (Image credit: Oysho)

    Oysho Long-Sleeved Technical T-shirt with Text

    Today's Best Deals
    £25.99 at Oysho

    Reasons to buy

    +
    Available to shop in the UK
    +
    Affordable prices
    +
    Huge range of products

    Reasons to avoid

    -
    May not last as long as other brands

    Spanish-founded brand Oysho is steps ahead when it comes to athleisure. Inspired by Korea's mesh fabrications and sleek, neutral colour palettes, you can find affordable workout pieces that will stand out from the rest of your wardrobe. This particular top is the ideal layering piece for all seasons, and it's made from breathable and quick-drying fabric.

    Organic Basics

    Organic Basics Active Flare Leggings

    (Image credit: Organic Basics)

    Organic Basics Active Flare Leggings

    Today's Best Deals
    £42.50 at Organic Basics

    Reasons to buy

    +
    Minimalist basics
    +
    Made with recycled nylon
    +
    Matching sets

    Reasons to avoid

    -
    No patterns

    Elevated basics are something Korean brands do seriously well, and Organic Basics is delivering just the same. With countless minimalistic co-ords and bright primary colours, it's the ideal place to build the foundation of your exercise kit. These flares tick every box, with medium-impact support, an invisible inner waistband pocket, triangle gusset for comfort and mobility, and soft, stretchy fabric made with 60% GRS-certified recycled nylon (CU 1067589). Plus, they're moisture wicking too.

    On

    On Studio Long Sleeve FKA

    (Image credit: On)

    On Studio Long Sleeve FKA

    Today's Best Deals
    £65 at On

    Reasons to buy

    +
    High quality
    +
    Techical fabrics
    +
    Versatile designs

    Reasons to avoid

    -
    Some items on the pricey side

    On has steadily become one of the most talked about activewear brands in the world, and its high-performance pieces make that entirely justified. Plenty of the brand's designs have a futuristic feel, particularly the collab with FKA Twigs that features standout stitching and unique cuts. Plus, this particular moisture-wicking top can be worn for both workouts and everyday, making it the perfect athleisure investment.

    Bandit

    Bandit Women's Stamina HW 5" Compression Short

    (Image credit: End. Clothing)

    Bandit Women's Stamina HW 5" Compression Short

    Today's Best Deals
    £99 at End.

    Reasons to buy

    +
    Unique patterned pieces
    +
    Elevated basics
    +
    Relatively unknown brand

    Reasons to avoid

    -
    Expensive

    Bandit's mix of basics and unusual patterns gives it a very K-inspired feel. Each piece also delivers on technical aspects too, with these shorts featuring two waistband gel pockets, a stretchy waist, a waterproof waistband phone pocket, and two waterproof side phone pockets. No matter the conditions, these pieces will stand up for your workout.

    Planet Nusa

    Planet Nusa LS2 Air Long Sleeve

    (Image credit: Planet Nusa)

    Planet Nusa LS2 Air Long Sleeve

    Today's Best Deals
    £74 at Planet Nusa

    Reasons to buy

    +
    Distinctive pieces
    +
    Range of basics
    +
    Free shipping over £70

    Reasons to avoid

    -
    May be too bold for some

    Planet Nusa's patterned tops have been on my wishlist for years, and the brand is only growing in popularity. With a perfect mix of statement prints and versatile everyday pieces, there's something for every wardrobe. The brand's hero Air Long Sleeve top is delightfully breathable for all manner of training, and the ruched detailing gives it a truly elevated feel.

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    Marie Claire Newsletter

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    Amelia Yeomans
    Amelia Yeomans
    Junior Shopping Editor

    Amelia is Junior Shopping Editor at Marie Claire UK. With a keen eye for lifestyle trends and a focus on quality over quantity, she is very clued up on the best products and brands on the market. She previously worked as a Senior Writer for woman&home, covering everything from product reviews and nail art trends to reporting on fashion weeks and the best-dressed celebrities at red carpet events.

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