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Our Best Sellers collection

Explore Premium Fitness & Activewear Best Sellers

Refresh your workout wardrobe with fitness and activewear from Allen Fitness. Explore this collection for your next gym session, running routine or everyday active look.

Keep your style focused on you. Choose pieces that suit the way you train, pair them with your favourite essentials and create an outfit that takes you from workout time to downtime.

Browse the collection and find your next fitness favourite. Check each product page for sizing, materials and care details before choosing your fit.

1322 products 1322 products

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  • Person wearing a pink sports bra and black shorts on a light gray background

    Outdoor Seamless Yoga Shorts Hip Lifting Fitness

    Price: £15.76
  • Teal athletic outfit on a plain background

    Women’s Fitted Yoga Shorts

    Price: £16.31
  • Sports High Elastic Yoga Shorts - Premium Fitness & Activewear for Men & Women|UK

    Sports High Elastic Yoga Shorts

    Price: £16.31
  • Women's Double Hip Lifting Yoga Shorts - Premium Fitness & Activewear for Men & Women|UK

    Women's Double Hip Lifting Yoga Shorts

    Price: £16.31
  • Black Scoop Halter Sports Bra - AirSculpt™ Technology - Premium Fitness & Activewear for Men & Women|UK

    AirSculpt™ Scoop Halter Sports Bra

    Price range: £30.60 – £36.72
  • Woman wearing a black sports bra and leggings on a white background

    SeamlessLift™ Soft V-Front Racerback Sports Bra

    Sale price: £30.60 Regular price: £50.49 Save 39%
  • Woman wearing a blue athletic outfit on a white background

    AirSculpt™ 25″ High Rise Legging

    Price range: £30.06 – £38.25
  • Woman wearing a beige sleeveless top and skirt with white socks and sneakers on a white background

    CloudForm™ Front Wrap Sports Mini Skort - Beige

    Price range: £26.74 – £45.90
  • Woman in athletic wear sitting on a concrete block against a black background

    CloudForm™ Strappy Back Sports Bra

    Price range: £20.62 – £38.25
  • Woman wearing a maroon athletic outfit on a white background

    ProStretch™ V Neck Sports Tank with Built-In Bra

    Price range: £38.25 – £42.84
  • Woman wearing a black sports bra against a white background

    ButterSoft X Back Sports Bra - Black

    Price range: £15.27 – £30.60
  • Woman in a black polka dot dress standing by a stone archway with ocean view

    Halter Polka Dot Back Knot Tulle Dress

    Sale price: £41.57 Regular price: £97.92 Save 58%
  • product image

    Two Piece Solid Ruched V Neck Pockets Bikini

    Sale price: £39.27 Regular price: £91.80 Save 57%
  • Racer Back Sports Bra And Activewear - Brown - Premium Fitness & Activewear for Men & Women|UK

    AirSculpt™ Racer Back Sports Bra

    Sale price: £15.30 Regular price: £25.25 Save 39%
  • Woman wearing a black sports bra with 'nova' branding on a white background

    SeamlessLift™ Halter Sports Bra - Black

    Price range: £24.48 – £30.60
  • CoreNylon Cropped Windbreaker Sports Jacket - Blue - Premium Fitness & Activewear for Men & Women|UK

    CoreNylon Cropped Windbreaker Sports Jacket - Blue

    Price: £45.89
  • Close-up of black sports bra with wide straps, curved neckline and small white nova logo

    AirSculpt™ V Neck Sports Bra - Black

    Sale price: £26.19 Regular price: £33.55 Save 22%
  • Model wearing black high-waisted leggings and strappy sports bra with white trainers, front view

    ProStretch™ 25″ High Rise Legging

    Sale price: £67.32 Regular price: £111.08 Save 39%
  • Model walking in brown leggings and matching scoop-neck sports bra with white trainers

    AirSculpt™ 25″ Mid Rise Legging

    Sale price: £67.32 Regular price: £111.08 Save 39%
  • Model wearing yellow flared leggings and matching cropped T-shirt with silver trainers, front view

    CloudForm™ 32″ Flare Legging - Yellow

    Sale price: £45.90 Regular price: £75.74 Save 39%