Ideal for use in controlled environments, industrial manufacturing, electronics and aerospace, food packaging, cultivation, university labs and medical and dental facilities. Features: Altessa Grid Fabric - 99% Polyester / 1% Carbon.Color coded double strap webbing - ankle strap with side release buckle and top strap.Combination 1" elastic and webbing at top closure with snap adjustment.Female snap at back of boot.Hypalon sole.Meets standards required for use in ISO 5 (Class 100) ISO 8 (Class 100,000) cleanrooms and other controlled environments Specs: Double strap webbing- elastic/webbing/snap top-Hypalon Sole-Launder before wearing in ISO Cleanroom-MTO colors/customization available Case Quantity: 2 Case Length: 61 Case Width: 40.6 Case Height: 30.5