Proven to be reliable, fast and convenient, the Echo Quick-Release Buckle is the proven way to fasten and unfasten the chin strap of a safety helmet. Can be used in both warm- and cold-weather riding. Attaches easily to all helmets. Metal-to-metal connection. No special tools or sewing needed. Slide bar arrow accommodates 1" webbing. Durable body arms stay flexible to -40 degreesF.. Exceeds the testing standards of DOT 218 and Snell M2005. Blue