Premium embossed leather palm for ultimate feel. Lightweight, stretchy HeatGear® fabric on back of hand with leather overlays for added support. Perforations on fingers for strategic ventilation. Stretchy neoprene wrist with adjustable leather strap provides extended wrist support. Sold in pairs. Back of Hand: 87% Nylon/13% Elastane. Palm & Overlays: 100% Leather. Warning: This product can expose you to chemicals including chromium (hexavalent compounds), which is known in the State of California to cause cancer and birth defects or other reproductive harm.. 87% Nylon/13% Elastane.