Carolina Shoes New Carolina Mens 28 Series 8 Composite Toe Work Carolina Men's Cardinal 8" Composite Toe Waterproof Slip Resist Work B Carolina Men's 28 Series 8" Insulated Composite Toe Work Boots Amazon.com: Carolina Boots: Men's Insulated Composite Toe Work Boots Carolina Men's 28 Series 8" WP Ins Grizzly Work Boot Brown CA9028. Upgrade your work gear with the Men's 28 Series 8" Insulated Composite Toe Work Boots by Carolina. Crafted from Kharthoum Cigar leather, these brown boots feature a composite safety toe cap for protection and a waterproof SCUBALINER to keep your feet dry. The 800 grams of Thinsulate insulation ensures warmth, while the oil resisting rubber lug outsole enhances durability and grip. These boots are electrical hazard rated and include a removable AG7 polyurethane footbed for comfort, and come with a triple rib steel shank and welt construction for added stability.