Rockport Works brings performance technology to 6 & 8-inch work boots with the More Energy series, featuring ADIPRENE® by adidas, technology that both absorbs shock in the heel and helps provide energy rebound in the forepart. From the first step you’ll know it’s there. The More Energy Series features the XTR® brand extra wide composite toe, electrical hazard protection, and is 100% non-metallic. All Rockport Works safety toe footwear meets or exceeds ASTM Class 75 Impact and Compression standards. All but the RK6465 internal met guard boot are waterproof.