Moisture-wicking baselayer with integrated D3O® inserts The Baseframe Pro Sleeveless D3O® Base Layer Guard provides moisture management, cooling, and protection in a single low-profile unit. Designed to be worn under your jersey, it provides EN1621-1 level 1 back protection. Hip pads provide additional protection. FEATURES: EN1621-1 Level 1 Back including high and low temperature conditions CE certified D3O® back insert world leading impact protection technology Large perforation and flex grooves in the back foam contours and flexes with rider movement Body heat activates (softens) the polymer to conform to body Moisture wicking, open stretch mesh for breathability Built in padding at hips offers additional comfort D3O® back insert is removable for easy washing Note: No technology or product can fully prevent the risk of injury or death EVA foam on the chest and hips for protection