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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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  • PHIA Ivory Longline Sports Bra - Allen - Fitness

    PHIA Ivory Longline Sports Bra

    Price: £50.99
  • PHIA Sage Longline Sports Bra

    PHIA Sage Longline Sports Bra - Ultimate Comfort and Support

    Price: £50.99
  • PHIA Mist Longline Sports Bra - Allen - Fitness

    PHIA Mist Longline Sports Bra

    Price: £50.99
  • GymBum UK – Highland Vanguard Longline Sports Bra - Allen - Fitness

    GymBum UK – Highland Vanguard Longline Sports Bra

    Price: £50.99
  • GymBum UK Defined High - Rise Set - Allen - Fitness

    GymBum UK Defined High-Rise Set

    Price: £30.59
  • GymBum UK Highland Check Bikini – Blue - Allen - Fitness

    GymBum UK Highland Check Bikini – Blue

    Price: £44.87
  • GymBum UK Highland Check Padded Sports Bra– Blue - Allen - Fitness

    GymBum UK Highland Check Padded Sports Bra– Blue

    Price: £44.87
  • PHIA Dune Longline Sports Bra - Allen - Fitness

    PHIA Dune Longline Sports Bra

    Price: £50.99
  • PHIA Aurelia Longline Sports Bra - Allen - Fitness

    PHIA Aurelia Longline Sports Bra

    Price: £50.99
  • GymBumUK Men's GEO Baselayer - Allen - Fitness

    GymBumUK Men's GEO Performance Baselayer

    Price: £32.63
  • PHIA Petal Longline Sports Bra - Allen - Fitness

    PHIA Petal Longline Sports Bra

    Price: £50.99
  • GymBum UK Highland Check Longline Sports Bra - Blue - Allen - Fitness

    GymBum UK Highland Check Longline Sports Bra - Blue

    Sale price: £47.93 Regular price: £61.19 Save 22%
  • GymBumUK Yellow Windbreaker - Allen - Fitness

    GymBumUK Yellow Windbreaker

    Sale price: £44.87 Regular price: £57.11 Save 21%
  • GymBum UK Shadow Check Rash Guard - Allen - Fitness

    GymBum UK Shadow Check Rash Guard

    Price: £50.99
  • GymBum UK Sovereign Tartan Padded Sports Bra - Allen - Fitness

    GymBum UK Sovereign Tartan Padded Sports Bra

    Price: £44.87
  • PHIA Rosewood Longline Sports Bra - Allen - Fitness

    PHIA Rosewood Longline Sports Bra

    Price: £50.99
  • PHIA Lavender Longline Sports Bra - Allen - Fitness

    PHIA Lavender Longline Sports Bra

    Price: £50.99
  • GymBum UK Redline Tartan Leggings with pockets - Allen - Fitness

    GymBum UK Redline Tartan Leggings with pockets

    Price: £50.99
  • GymBum UK Blue Steel Combat Rash Guard - Allen - Fitness

    GymBum UK Blue Steel Combat Rash Guard

    Price: £50.99
  • GymBumUK Blackout Performance Plus Leggings - Allen - Fitness

    GymBumUK Blackout Performance Plus Leggings

    Price: £36.71