• BFA 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 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
  • 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

£139.99

Reviews

Engineered for triathletes and multi-sport athletes, this 45L transition backpack is designed to keep pace with your swim, bike, and run routine.

Complete your kit with Built For Athletes Bag Patches

Key Features

- Smart storage capacity: Easily fits 2 pairs of trainers,
towel, gym clothes, meal prep, small training tools, and
more.​

- Ventilated base compartment: Dedicated shoe storage for keeping footwear separate.​

- Large upper & lower pockets: Designed for your cycling helmet and wetsuit/kit.​

- Laptop/device section: Padded compartment fits devices up to 17".​

- Bottle holders: Dual side pockets fit a 1000ml protein
shaker and 1000ml water bottle.​

- Flat-pack design: Backpack opens 180° for easy
packing/unpacking.​

- Two-way zippers: Quick access across all compartments.​

- Ergonomic comfort: Adjustable sternum, waist, and
compression straps with hook-and-loop ties for secure
carrying.​

- Load tested: Strong enough to carry 20kg+ / 44lb+.​

- Patch-ready design: Large hook-and-loop section on the front, plus extra sections on both sides, with a Built
For Athletes patch included.​

- Laser-cut MOLLE construction: Clean, modern aesthetic.​

Durability:
- 900D Polyester fabric​

- Rip-proof and stain-resistant coating​

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

Description

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.

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 WORLD:

  • Shipping costs calculated at checkout

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

Christmas Delivery Cut-Off Dates 2025

  • UK Standard: Order by 19 December
  • UK Next Day / Evri 24 / RM Tracked 24: Order by 22 December
  • UK RM Tracked 48 / Evri 48: Order by 19 December
  • UK Highlands & Offshore: Order by 17 December
  • EU: Order by 12 December
  • USA & Canada: Order by 18 December
  • Australia: Order by 16 December
  • Rest of World: Order by 15–17 December (destination dependent)

Returns extended until 15th January 2026

For more information, click here.

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