Nexx XG10 Muddy Hog Green Helmet size 2X-Large X-MATRIX Shell (multiaxial fiberglass, 3D organic fibers, special aramid fibers and carbon reinforcement) ECE/22-05, DOT and NBR-7471:2001 Shell available in 3 different sizes  XS to L, XL and XXL to XXXL X.mart dry Fabrics Soft padding anti-sweat and anti-allergic fabric