The Baseframe Pro Sleeveless base layer provides moisture management, cooling, and protection in a single low-profile unit. Designed to be worn under your jersey, it provides Level 1 back protection. 

Details:

• Minimal restrictions, maximized benefits
• Level 1 Back including high and low temperature conditions
• D3O back insert features 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
• F3 back insert is removable for easy washing
• According to the manufacturer, the protection meets the requirements for level 1 protection - the assignment to level 1 or 2 is determined on the test bench, whereby level 2 withstands higher forces than level 1