OS1st Thin Air Performance Socks in Steel Blue Feetures The upper is constructed with

The upper is constructed with an engineered knit material that softly wraps your feet and keeps them comfortable

Made of a midweight

this Cushioned Quarter offers plush terry loops for all day comfort

For all-day cushioning

Available in extended width sizes

OS1st Thin Air Performance Socks in Steel Blue Feetures The upper is constructed withMade 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