HeatGear® fabric wicks sweat away from your skin to keep you cool, dry & light
Dual density EVA foam for increased impact protection
Hinged design allows for maximum mobility
Small: 10.2" Top Circumference, 9.1" Bottom Circumference
Medium: 11.4" Top Circumference, 9.8" Bottom Circumference
Large: 12.6" Top Circumference, 10.6" Bottom Circumferenc