˙The palm of the hand and the thumb are made of DuPont fireproof material KEVLAR coated with heat-proof aluminum foil, the fireproof cloth is outwards, the aluminum foil is inward, and the thickness is 1.3mm
˙The cuffs and the back of the hand are made of fireproof fiber ACR YSIL-100, the aluminum foil faces outwards, the fireproof material faces inward, and the thickness is 0.8mm
˙The inner lining part is knitted by insulation cotton, the thickness is 3mm
˙The whole is sewn with KEVL AR3/30 fireproof thread