Carolina Boot CA3034 is a rugged 8-Inch Waterproof Insulated Work Boot work boots that provides all day comfort. Carolina CA3034 Mens 8 Inch Waterproof Insulated Work Boot. This boot is part of Carolina's SVB or Super Value Boots line. Made with a Gaucho Crazy Horse Leather Upper, Carolina's Scubaliner waterproofing system, 400 grams of Thinsulate, a removable EVA insole and also being rated as an Electrica Hazard boot, this boot has everything you need to keep you going at work. The Steel Shank helps maintain the support while working and the rubber outsole and cemented construction allows you to feel safe in the slip resistant sole in slippery conditions. If you work where it is a bit colder, the 400 grams of Thinsulate help maintain your foot at a constant temperature so you are not always getting cold feet. Take a look and check out these great boots.