Made with HydraHyde 100% Grain Cowhide, these mittens are water -resistant while also being both puncture proof and extremely durable. The mittens are insulated with a Type EC 150g 3M Thinsulate making them ideal for working in the cold. The lightly padded knuckle strap provides extra protection, while the polyester back ensures dexterity. An adjustable wrist strap ensures the heat stays inside the mittens, keeping the cold out.HYDRAHYDE™ REINFORCED - Palm, thumb, and fingertips are reinforced with HydraHyde® leather, increasing overall durability