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.Key Features:EN1621-1 Level 1 backD3O® foam inserts are vented and conform to body for maximum comfortSpecificationsEN1621-1 Level 1 Back including high and low temperature conditionsCE certified D3O® back insert world leading impact protection technologyLarge perforation and flex grooves in the back foam contours and flexes with rider movementBody heat activates (softens) the polymer to conform to bodyMoisture wicking, open stretch mesh for breathabilityBuilt in padding at hips offers additional comfortD3O® back insert is removable for easy washingNote: No technology or product can fully prevent the risk of injury or death