The Helix Irwin Bag from Carhartt WIP is a handy external pocket to stash your water bottle during rambles and the like. Accommodating most 1 litre bottles comfortably, the style is constructed from hardy polyester ripstop, and is finished with a mesh pocket on the exterior for stowing essentials.

• 100% polyester ripstop
  
• One main compartment with drawcord closure
  
• External mesh pocket
  
• Adjustable and detachable webbing shoulder strap