The Castelli Light Leg Skins are designed for protecting riders' skin from the sun's harmful rays during summer riding. Featuring a lightweight polyester base fabric, the Light Leg Skins quickly and efficiently wick moisture way. With a simplified construction, the Light Leg Skins were kept very minimal to eliminate seams and the chafing they cause, while Castelli's double-sided silicone elastic keps them in place . While they officially rate these at UPF 50+, but in Castelli's lab, their tests resulted in 99.8% blockage of damaging UV rays.
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