The Alpha® safety cap features a replaceable Alpha Preslok® suspension system. A patented spring-like hanger snaps the suspension in place to help evenly absorb the shock. The cap has a replaceable vinyl sweatband, integrated crown pad to help eliminate twisting of ribbons, nylon straps and universal molded slots to accommodate accessories. The nape strap works to keep cap firmly in place. Adjustable to head sizes 6½"-8. Meets ANSI Z89.1-1997 Type I Class E Standard. Made in USA.