2011 New High Compression Wear, Jogging Wear, Arm sleeves 1)Fabric : 80% Nylon, 20% Lycra, 220gsm 2011 New High Compression Wear, Jogging Wear, Arm sleeves1)Fabric : 80% Nylon, 20% Lycra, 220gsm2)Size:S-XXL3)Features:*Tight compression fit to reduce muscle vibration*Power focus*Antimicrobial*Excellent moisture transportation*Super cooling effect*All stitches: flat-lock