Breakthrough product specifically designed for comfort, fit, protection and breathability. OS1st TA6 Thin Air^TM Performance Calf Sleeves feature never before applied technology to keep your legs cool and protected during any activity.  Created using 400n medical grade machinery and materials we are able to build in ease of use, comfort, and durability with the thinnest leg fabric profile ever made! The "Thin Skin^TM" construction maximizes air-flow achieving a cooling sensation to your legs thereby increasing stamina and endurance.  Our OS1st manufacturing technology has been leveraged to create the most unique performance calf sleeves ever made in an athletic recovery sleeve!

Targeted Conditions:

• Boosts circulation
• Shin Splints
• Recovery
• Calf cramps
• Muscular Support
• Achilles Tendonitis
• Overheating

Performance Features:

• Advanced medical device for recovery and enhanced performance.
• Skin Thin^TM zones to increase air flow
• Creates cooling effect during any activity or under any apparel
• Easy-on fit
• Wear alone or paired with OS1st^® TA4^TM Thin Air^TM Performance Socks