For demanding environments, Bell makes .25mm thick tear-offs designed exclusively for Bell Helmets. Each sleeve comes with 10 individual tear-offs. Fits Bell helmets with the 287 SRV or SRV-8 shields, including the M.8, M.8 Carbon Dominator.2, GTX.2, Star Infusion, K.1 Pro, GP.2, and GP.2 Youth helmets.