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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.

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  • Seamless Women's Yoga Set: Short Sleeve Top & High Waist Leggings for Gym Fitness - Premium Fitness & Activewear

    Seamless Women's Yoga Set: Short Sleeve Top & High Waist Leggings for Gym Fitness

    Price: £30.59
  • Butt-Lifting Women's Fitness Leggings - Tummy Control, Breathable & Quick-Dry - Premium Fitness & Activewear

    Butt-Lifting Women's Fitness Leggings - Tummy Control, Breathable & Quick-Dry

    Price: £26.51
  • 360090897-1

    Women's Hooded Fleece-lined Sweatshirt And Leggings Set

    Price: £50.99
  • Women's High Waist Seamless Leggings - 4 Pack Scrunch Butt Workout Pants - Premium Fitness & Activewear

    Women's Acid-Wash Seamless Scrunch Leggings – 4-Pack

    Price: £57.11
  • 662099691-1

    Women's Stretch Workout Leggings – S–4XL

    Price: £30.59
  • High Waist Tummy Control Ribbed Yoga Leggings for Women - Butt Lifting Athletic Pants - Premium Fitness & Activewear

    High Waist Tummy Control Ribbed Yoga Leggings for Women - Butt Lifting Athletic Pants

    Price: £30.59
  • Women's Yoga Pants, Peach Butt Sports Leggings, High-waisted Training Tight Fitness Pants - Premium Fitness & Activewear

    High-Waisted Butt-Lifting Yoga Pants for Women - Peach Fitness Leggings

    Price: £30.59
  • 361660348-1

    Yoga Flared Pants High-waisted Hip-lifting Workout Leggings

    Price: £26.51
  • Women's 2-Piece Seamless Workout Outfit, Short Sleeve Crop Top & High Waist Yoga Leggings  Set - Premium Fitness & Activewear

    Women's Seamless 2-Piece Workout Set: Crop Top & High Waist Leggings

    Price: £36.71
  • 873047635-1

    Fitness Leggings Moisture-Wicking Sportswear Women's Polyester Sports Pants

    Price: £30.59
  • Childe summer dad summer shorts men's five-length pants cotton pants loose overalls big pants - Premium Fitness & Activewear

    Zoruo childe summer dad summer shorts men's five-length pants cotton pants loose overalls big pants

    Sale price: £35.70 Regular price: £40.80 Save 13%
  • Men's Open-Chest Knit Sweater - Autumn Winter Khaki Pullover - Premium Fitness & Activewear

    Men's Open-Chest Knit Sweater - Autumn Winter Khaki Pullover

    Price: £40.80
  • Amazon Seamless Jacquard Tight Yoga Pants Women's Super Soft Hand-feel Body-fit Cationic Cropped Pants Fitness Pants - Premium Fitness & Activewear

    Seamless Jacquard Tight Yoga Pants Women's Super Soft Hand-feel Body-fit Cationic Cropped Pants Fitness Pants

    Sale price: £32.92 Regular price: £35.76 Save 8%
  • Trendy Men's Fleece-Lined Crewneck T-Shirt for Autumn & Winter - Premium Fitness & Activewear

    Trendy Men's Fleece-Lined Crewneck T-Shirt for Autumn & Winter

    Price: £36.71
  • 2025 Autumn/Winter Men's Patchwork Knitwear - Stylish Warm Sweater Top - Premium Fitness & Activewear

    2025 Autumn/Winter Men's Patchwork Knitwear - Stylish Warm Sweater Top

    Sale price: £35.71 Regular price: £38.77 Save 8%
  • Men's Round Neck Striped Sweater - Casual Long Sleeve Knitwear for Autumn & Winter - Premium Fitness & Activewear

    Men's Round Neck Striped Sweater - Casual Long Sleeve Knitwear for Autumn & Winter

    Price: £11.49
  • Seamless Women's High Waist Sports Yoga Tights for Hip Lifting & Slimming - Premium Fitness & Activewear

    Seamless Women's High Waist Sports Yoga Tights for Hip Lifting & Slimming

    Sale price: £33.83 Regular price: £35.87 Save 6%
  • Men's Hooded Baseball Sweater - Autumn Winter Plus Velvet Sports Jacket - Premium Fitness & Activewear

    Men's Hooded Baseball Sweater - Autumn Winter Plus Velvet Sports Jacket

    Price: £5.51
  • Men's Fleece-Lined Fitness Sweater - High-Elastic Half-Zip Running & Basketball Gear - Premium Fitness & Activewear

    Men's Fleece-Lined Fitness Sweater - High-Elastic Half-Zip Running & Basketball Gear

    Sale price: £26.38 Regular price: £30.46 Save 13%
  • Men's Casual Velvet Sweatshirts & Pants - Trendy Autumn/Winter Collection - Premium Fitness & Activewear

    Men's Casual Velvet Sweatshirts & Pants - Trendy Autumn/Winter Collection

    Sale price: £25.50 Regular price: £54.05 Save 53%