OUTER SHELL: Buffalo Matt Leather 1.1-1.2mm Thick. Leather Strech Panels at Back & Knee Free for all Harming Chemicals. INNER DETAILS: 100% Polyester Mesh Linning. SAFETY MEASURES: CE Verified Protectors at Knees & Thighs Sizes avaliable: S to 3XL / 48 to 58 COLORS: Avaliable any color Combination