Carhartt Men's Flame-Resistant Mock-Neck Sherpa-Lined Vest 88% Cotton, 12% Nylon Imported Machine Wash Flame-resistance vest with sherpa fleece lining featuring zip front and two large patch pockets Two inside pockets Dropped back hem for added coverage NFPA 70E Compliant HRC4 ATPV 43 Back Length: Large Regular: 27.75", Large Tall: 29.25"