Jack Wolfskin Alleycat 18L Bike Backpack

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Out of the office and onto your bike!

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Jack Wolfskin Alleycat 18L Bike Backpack

Out of the office and onto your bike! The ALLEYCAT 18 is a fully featured bike pack designed for the daily cycle commute to work.

The pack is equipped with a padded laptop compartment (14”), an attachment for an LED light, an elasticated helmet compartment, and a special pouch and tube duct for a water bladder. An elasticated retainer loop in the side pocket holds your water bottle or pump securely in place when you’re moving fast.

The pack also comes with a rain cover – a handy feature if the weather takes a turn for the worse – and reflectors to ensure you are visible in the dark.

The ALLEYCAT is equipped with our flexible ACS TIGHT back system, which is designed to promote full freedom of movement. Because the pack sits very close to your body, you retain full control of the load – even when you’re riding hard.


  • Single-chamber bike pack
  • Flexible full-contact back system
  • Bike-specific features
  • Laptop compartment
  • Rain cover
  • Equipped for hydration system
  • PFC-free
  • 18 litres capacity

Further Details

  • Measurements: 47 x 28 x 20 cm
  • Laptop/tablet compartment: 14?
  • Weight: 760g
  • Capacity: 18 Lit.
  • ACS TIGHT: Flexible, full-contact back system with body-hugging fit and outstanding ventilation
  • Reflectors
  • Detachable waist belt
  • Attachment for LED light
  • Main compartment and front pocket with zips, elasticated helmet compartment on front, 14” laptop compartment (35 x 25 x 3.5 cm), 2 side pockets with elasticated loops
  • Equipped for hydration system (tube duct and fastener)
  • Integrated rain cover in base compartment
  • CROSS RIP 210D: Very lightweight, hard wearing ripstop fabric with reinforcement threads (body & base)
  • CROSSLINK PE: Special cross-linked polyethylene material with high tensile strength and durability (frame)