Troy Lee Designs Triad Knee & Shin Guard - Black The Troy Lee Triad hard shell knee / shin guards are comfortable, well-ventilated protectors with two pivot points that allow them to more accurately bend with the knee’s natural movement. They cover the knee, even when fully bent, as well as the lower thigh and most of the lower legs. Features: 3 dimensionally designed for optimal fit Slim design for use over or under riding pants Strap system resists binding Troy Lee Designs Knee Protection Size Guide Fitting Knee Guards: Take measurements 10 cm above the knee CENTRE for Lower Thigh measurement and 15 cm below knee CENTRE for Calf measurement. Measurements should fall into one of the following size categories: POINT OF MEASURE XS/SM M/L XL/XXL Lower Thigh 34.5-39.5 cm 39.5-44.5 cm 44.5-49.5 cm Calf 32-37cm 37-42 cm 42-47 cm User Weight (LBS) 70-140 140-180 180-220 User Weight (KG) 32-63 63-82 82-100