EVS Sports F2 Roost Guard (Black, Large) lightweight ventilated high impact polypropylene construction neck brace; compatible design offers removable front inserts that allow improved brace comfort Full modular design features removable shoulder and back guards that transform the F2 into a lightweight compact protector EVS pivoting system eliminates darting and allows the roost guard to naturally hug and react to your body while riding Sublimated bio-foam molded liner