Unisex Classic Edition Mountaineer Max Cushion 2nd Cut Crew Socks Size:Medium (UK 5-7.5) A sternum strap and removable

A sternum strap and removable waist belt add stability

while the external daisy chain provides attachment points

practical coverage supports cold hikes and everyday winter use

and 22% more usable space to the vestibule

Which is to say it's built to last and will keep your contents ice-cold even in sweltering conditions

Unisex Classic Edition Mountaineer Max Cushion 2nd Cut Crew Socks Size:Medium (UK 5-7.5) A sternum strap and removableThe Smartwool Mountaineer Classic Edition Max Cushion Second Cut Crew Socks epitomize comfort as the thickest, warmest Classic Edition sock. Featuring Second Cut yarn and Merino wool, these help manage moisture, regulate temperature, and resist odors. Elasticized arch brace ensures a secure fit, while the flat knit toe seam offers additional comfort.