OS1st Thin Air Performance Socks in Black Darn Tough tackling challenging hiking trails

tackling challenging hiking trails

Midsole drop

HYBRID ASICSGRIP™ outsole rubber

Anatomical design enhances fit

that's not something Cloud Waterproof wearers need to worry about

OS1st Thin Air Performance Socks in Black Darn Tough tackling challenging hiking trailsMade for those who prefer a thinner sock that protects from blisters and keeps feet dry. Our Skin Thin top panel helps regulate temperature and circulate air throughout the sock. For the best fit, it is important to use the size chart before ordering. Ultra thin top panel to promote temperature regulation Woven lift bars to circulate air throughout the sock Targeted Conditions: Blisters Sore achy feet Hyper sensitivity Overheating Skin Thin Design