With their premium Timberland waterproof leather uppers and internal waterproof membranes, the Timberland PRO Helix HD Composite Safety-Toe Wellingtons offer maximum waterproof protection and blood-borne pathogen resistance. Their Anti-Fatigue Technology footbeds offer shock absorption and energy return, while their breathable, moisture-wicking mesh linings are made of ReBOTL fabric containing at least 50% recycled plastic with a treatment for bad smells. We added ExoSpine technology for lasting structure, durability, and improved heel fit. Plus, the heat-, oil-, slip-, and abrasion-resistant, non-marking rubber outsoles feature Ladder Lock heels that help grip ladder rungs.