The Fox Racing Baseframe Pro Sleeveless Mens is a top-tier MTB protective shirt designed to offer exceptional protection while maintaining a lightweight feel. This sleeveless shirt is crafted to move seamlessly with your body, thanks to its flexible material that ensures unrestricted movement. The inclusion of D3O protectors on the back provides essential safety, making it an ideal choice for mountain biking enthusiasts seeking both comfort and security. MTB protective shirt with a removable D3O back protector for enhanced safety Features large vents and flex zones within the pads for superior breathability and mobility Body heat allows the pad to conform to your body shape for a personalized fit Constructed with breathable, moisture-wicking mesh fabric to keep you comfortable Additional padding on the hips for extra protection Technical Features Back protector: EN1621-1 Level 1