OS1st Thin Air Performance Socks in Black Size:M Mitten Logo on the front

Mitten Logo on the front right pocket

The Fresh Foam X 860v14 combines innovative Stability Plane technology with the pinnacle underfoot cushioning experience of Fresh Foam X

Comfortable forgiving fully-adjustable belt

SLAP INTO VISIBILITY WITH THE FUN AND FUNCTIONAL REFLECTIVE LED SLAP BAND

OS1st Thin Air Performance Socks in Black Size:M Mitten Logo on the frontMade 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