Topo Designs Mountain Hydro Sling - Olive Size:One Size A soft and stretchy mid-layer

A soft and stretchy mid-layer from Arc’teryx

A definitive Outsiders' favourite

A woven square label completes the design

The jacket is woven from nylon yarn which has a very slight ribbing and a satisfying

and its double walled insulation will keep your morning coffee hot too

Topo Designs Mountain Hydro Sling - Olive Size:One Size A soft and stretchy mid-layerThe Mountain Hydro Sling offers you a carrying sling for your water bottle and constructed in a resilient recycled nylon. An adaptable design, it has a detachable and adjustable shoulder strap with a wide webbing for comfort when slung across the body, removable Velcro loops allow it to be attached to a bike as well. Daisy chain loops allow for attachments and a zipped security pocket and drawcord mesh pocket round it out.