Home / All Products /
Built For Athletes x ZONE3 45L Transition Backpack
Built For Athletes x ZONE3 45L Transition Backpack
BFA Backpack
Built For Athletes x ZONE3 45L Transition Backpack
Built For Athletes x ZONE3 45L Transition Backpack
Built For Athletes x ZONE3 45L Transition Backpack
Built For Athletes x ZONE3 45L Transition Backpack
Built For Athletes x ZONE3 45L Transition Backpack
Built For Athletes x ZONE3 45L Transition Backpack
Built For Athletes x ZONE3 45L Transition Backpack
Built For Athletes x ZONE3 45L Transition Backpack
Built For Athletes x ZONE3 45L Transition Backpack
Built For Athletes x ZONE3 45L Transition Backpack
Built For Athletes x ZONE3 45L Transition Backpack
Built For Athletes x ZONE3 45L Transition Backpack
Built For Athletes x ZONE3 45L Transition Backpack

2 reviews

Built For Athletes x ZONE3 45L Transition Backpack

Engineered for triathletes and multi-sport athletes, this 45L transition backpack is designed to keep pace with your swim, bike, and run routine.
£139.99
Full Description
Delivery & Refunds
Delivery & Refunds

UK

  • DPD Pick Up Service (UK mainland only) - £3.95
  • Standard: £4.25 / Free for orders over £175.
  • Next Working Day: £6.95 or £4.95 for orders over £175 (order by 2:45pm, Mon–Fri, excludes Weekends and Bank Holidays).
  • Guernsey, Isle of Man & Jersey: £7.95 / €9.95 (free for orders over £175 / €175).

EU

  • Shipping costs calculated at checkout (import fees apply).

Germany

  • Standard: €10.95 / Free for orders over €175. 

Ireland

  • Standard: €12.95 / Free for orders over €175. 

US

  • Free for orders over $250. Shipping costs calculated at checkout (import fees apply).

Rest of the World

  • Shipping costs calculated at checkout

Returns: Accepted within 30 days. Not applicable for Ex-Demo products.

For more information, click here.
Free Shipping over £175*
12 month warranty
Expert Support
Easy Exchanges
Athlete Approved
Performance proven

Built For Athletes x ZONE3 45L Transition Backpack

Complete with Built For Athletes Bag Patches

Crafted from ultra-durable 900D polyester with a stain-resistant coating and rip-proof strength, it’s built to endure daily training demands. Premium YKK® Japanese zippers ensure lasting reliability across every
compartment, while the smart storage system makes it easy to organize your kit.

With space for your wetsuit, cycling shoes, running gear, nutrition, and more, it eliminates the need for multiple bags.

Whether you’re heading to the pool before work, transitioning to a ride, or tackling a brick session, this backpack delivers one-bag convenience for every discipline.

Key Features

  1. Smart storage capacity: Easily fits 2 pairs of trainers,
    towel, gym clothes, meal prep, small training tools, and
    more.
  2. Ventilated base compartment: Dedicated shoe storage for keeping footwear separate.​
  3. Large upper & lower pockets: Designed for your cycling helmet and wetsuit/kit.​
  4. Laptop/device section: Padded compartment fits devices up to 17".​
  5. Bottle holders: Dual side pockets fit a 1000ml protein
    shaker and 1000ml water bottle.​
  6. Flat-pack design: Backpack opens 180° for easy
    packing/unpacking.​
  7. Two-way zippers: Quick access across all compartments.
  8. Ergonomic comfort: Adjustable sternum, waist, and
    compression straps with hook-and-loop ties for secure
    carrying.​
  9. Load tested: Strong enough to carry 20kg+ / 44lb+.​
  10. Patch-ready design: Large hook-and-loop section on the front, plus extra sections on both sides, with a Built
    For Athletes patch included.​
  11. Laser-cut MOLLE construction: Clean, modern aesthetic.
  12. Durability:
    - 900D Polyester fabric​

    - Rip-proof and stain-resistant coating​

    Dimensions:
    48cm (H) x 34cm (W) x 32cm (D)
Description
£139.99