These full brim safety helmets have 4-Point woven nylon suspension, and can accommodates chin strap. Goggle retaining slots on suspension. Moisture wicking brow pad is removable, washable & replaceable. Slide-Lock size adjustment for head sizes 6.5 - 8. Weight: 13.58 oz. SEI Certified. ANSI/ISEA Z89.1, type 1, Class C, E and G requirements.