OS1st | Thin Air Performance Calf Sleeves | Unisex Knitted contrasting inlay with hood and

contrasting inlay with hood and drawstring

enhance performance

and effects of alcohol and unfamiliar foods

The ONLY electrolyte capsule that was formulated to closely resemble the electrolyte profile lost during activity: sodium

OS1st | Thin Air Performance Calf Sleeves | Unisex Knitted contrasting inlay with hood andMORE OS1st PRODUCTS OS1st TA6 Thin Air Performance Calf Sleeves: Cool, Comfortable, and Built for Endurance Stay cool and protected during any activity with the OS1st TA6 Thin Air Performance Calf Sleeves, designed with cutting edge technology for ultimate performance. Crafted using advanced 400n medical grade machinery, these sleeves feature an ultra thin "Thin Skin" fabric profile, delivering unmatched comfort, durability, and ease of use. The