Injinji Outdoor Wool Midweight Crew Size:XL breathable Air Contour™ back system

breathable Air Contour™ back system and soft-feel shoulder straps

integrated lamp with three brightness levels

advanced fabrics and refined features make the latest iteration of Mutant 22 even more formidable than its predecessor

or as a second rucksack in your luggage

Injinji Outdoor Wool Midweight Crew Size:XL breathable Air Contour™ back systemThe Outdoor series was designed for running and hiking on rugged trails in unpredictable weather. Newly upgraded to Merino wool construction, the Outdoor Midweight Crew Wool toesock features a ribbed leg and crew height for a tighter, more ergonomic fit that keeps out dirt and debris. The midweight terry footbed increases comfort, while the signature Injinji five toe design ensures the foot can be fully utilised by promoting natural foot splay.