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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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  • One-Shoulder Ruffle Hem Maxi Dress - Allen Fitness | Running Shoes, Leggings & Activewear UK

    One-Shoulder Ruffle Hem Maxi Dress

    Sale price: £39.77 Regular price: £46.91 Save 15%
  • Full Size Vintage Wash High-Waisted Flare Jeans Plus Size - Allen Fitness | Running Shoes, Leggings & Activewear UK

    Full Size Vintage Wash High-Waisted Flare Jeans Plus Size

    Price: £29.57
  • Back Bowknot Long Sleeve Sweater - Allen Fitness | Running Shoes, Leggings & Activewear UK

    Women Back Bowknot Long Sleeve Sweater

    Sale price: £41.81 Regular price: £45.89 Save 9%
  • Full Size Boat Neck Tee and Shorts Set Plus Size - Allen Fitness | Running Shoes, Leggings & Activewear UK

    Full Size Boat Neck Tee and Shorts Set Plus Size

    Sale price: £27.53 Regular price: £30.59 Save 10%
  • 5a0ad6615227400e87a6ce7b71ad4fce-Max-Origin

    Ribbed Knit V-Neck Long Sleeve T-Shirt

    Sale price: £27.53 Regular price: £30.59 Save 10%
  • 8ed33c56-3d8d-450d-a4a6-0a7ad4c7628f-Max-Origin

    Mock Neck Dropped Shoulder Sweatshirt

    Sale price: £28.55 Regular price: £30.59 Save 7%
  • 68c071ced0424662a8ab80cfe8edfe09-Max-Origin

    Full Size Satin Cowl Neck Long Sleeve Blouse Plus Size

    Sale price: £40.79 Regular price: £42.83 Save 5%
  • 768e0cb6-ddf6-4299-9f03-ea35bd376d9b-Max

    Round Neck Cap Sleeve Top and Pants Knit Set

    Price: £43.85
  • 7ca1bd46-ac35-4bc4-bb1d-d8d4c0e754f0-Max

    Turtleneck Long Sleeve Sweater

    Price: £23.45
  • Solid Color Long Sleeve Blouse - Allen Fitness | Running Shoes, Leggings & Activewear UK

    Solid Color Long Sleeve Blouse

    Sale price: £26.51 Regular price: £28.55 Save 7%
  • MERRY Round Neck Long Sleeve Top and Shorts Lounge Set - Premium Fitness & Activewear for Men & Women|UK

    MERRY Round Neck Long Sleeve Top and Shorts Lounge Set

    Sale price: £42.83 Regular price: £50.99 Save 16%
  • 722e8d58ccbd47aead862b9174117d72-Max-Origin

    Button Up Longline Vest Coat

    Sale price: £41.81 Regular price: £45.89 Save 9%
  • Plus Size Drawstring Zip Up Turtleneck Sherpa Coat - Allen Fitness | Running Shoes, Leggings & Activewear UK

    Plus Size Drawstring Zip Up Turtleneck Sherpa Coat

    Price: £81.59
  • 4612e6da-5fa6-43c9-bd32-1c7bf6eb2662-Max

    Round Neck Long Sleeve Top and Pants Set

    Price: £36.71
  • b854e26c27ca48b980499a1786a1f112-Max

    Notched Short Sleeve Top and Pants Set

    Price: £35.69
  • Contrast Trim Ribbed Knit Mini Dress with Pocket - Allen Fitness | Running Shoes, Leggings & Activewear UK

    Contrast Trim Ribbed Knit Mini Dress with Pocket

    Price range: £25.49 – £30.59
  • Toe Loop Flats Sandals - Allen Fitness | Running Shoes, Leggings & Activewear UK

    Toe Loop Flat Sandals | Women's Summer Sandals

    Sale price: £26.51 Regular price: £30.59 Save 13%
  • Women's Contrast Trim Short Sleeve Ribbed Sweater Top | S–XL - Allen Fitness | Running Shoes, Leggings & Activewear UK

    Women's Contrast Trim Short Sleeve Ribbed Sweater Top | S–XL

    Sale price: £27.53 Regular price: £30.59 Save 10%
  • Women's High-Waisted Tie-Front Bow Flare Jeans | Slightly Stretchy | S–2XL

    Women's High-Waisted Tie-Front Bow Flare Jeans | Slightly Stretchy | S–2XL

    Sale price: £46.91 Regular price: £49.97 Save 6%
  • Women's Classic Blue Jeans Pants - Allen Fitness | Running Shoes, Leggings & Activewear UK

    Women's Classic Blue Jeans Pants

    Sale price: £62.21 Regular price: £72.41 Save 14%