Stability...Durability...Safety & Comfort! The ultimate waterproof work boot that featuresa heel-stabilizing Counter Lock System, awoven welt riband a fiberglass shank that all work together to provide exceptional stability and arch support.Also inside is a removable AMP LT memory foam insole for customized comfort. The outsole is made fromheat, abrasion and chemical resisting Carbo-Tec Rubber and is slip and oil resistant.