Pearl Izumi Summit Knee Guards All Day Guards for Ambitious Rides The Summit Knee Guards by Pearl Izumi combine ease of pedaling with robust knee protection, creating comfortable guards that don't skimp on protection for those big days out on the bike. These CE-certified guards utilize CE level 1-certified D30(R) pads that are low profile, flexible and are extremely efficient at absorbing energy from impacts. Durable 4-way stretch Cordura(R) fabric resists abrasions during a crash and keeps the guards in place without hindering your movement on the bike. Mesh panels at the rear of the guards let hot air escape to keep you cool, letting you tackle the biggest climbs and longest descents with confidence-inspiring protection. Features Dual-density D30(R) padding is low-profile, flexible and CE level 1 certified Four-way stretch Cordura(R) fabric for durability and unrestricted pedaling movement Mesh panels at the back of the knee help to increase airflow Sizing (Unisex)Size Extra Small Small Medium Large XLLeg Length (in)37 - 38. 25"38. 25 - 39. 25"39. 25 - 40. 25"40. 25 - 41"41 - 41. 5"Mid-Thigh Circumference (in) | Pearl Izumi | Unisex Summit Knee Guard Men's | Size Medium In Forest