OS1st Thin Air Performance Socks in Steel Blue Size:L Battery: Rechargeable

Battery: Rechargeable

updated Altra EGO™ MAX midsole foam

The lower layer is an EVA foam cushioning cover for maximum comfort

and Indestructawool™ and Shred Shield™ technologies

allowing you to focus on what you love

OS1st Thin Air Performance Socks in Steel Blue Size:L Battery: RechargeableMade 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