The Excavator Superlite 8" Waterproof Thinsulate Carbon Composite Toe Work Boot from Cat Footwear is lightweight and offers 360-degree cushioning for instant comfort. Its 400g Thinsulate lining keeps users feet warm and dry all day and its sock lining contains CleanSport NXT pro-biotic odor control technology. The waterproof work boot features non-metallic, safety toe protection (ASTM F2413-18); SRX slip-resistant rubber outsole that is abrasion resistant; rubber toe bumper; and is rated to protect against open circuits up to 600V in dry conditions.