Fire Retardant, Heat Resistant, 3.25 to 4.0 oz. Shelby Abrasion Resistant. Brushed Pigskin and Gold Koala Tanned Cowhide with GORE™ RT7100 Glove Barrier Fabric. Shelby "Black Line" Nomex® wristlet (5225). Made in USA. Certified by SEI to meet NFPA 1971 Standard, CE Marked.