SENTINEL™ A50 Front Cover Lens, Impact Resistant, 4 7 10 in W x 6 7 10 in L, Polycarbonate, Clear ORS NASCO Cotton polyester construction is breathable and Cotton polyester construction is breathable and decreases hand fatigue Knit wrist helps prevent dirt and debris from entering the glove Clute cut provides a roomy fit and straight thumb increases comfort in closed fisted work Double palm provides additional weight Color coded cotton hem for easy size identification Double palm covers entire palm Genuine ESAB® clear front cover lens for your ESAB® Sentinel™ A50 auto darkening welding helmet Spherical front cover replacement lens Sweeping design across the helmet allows more natural light to get in when welders are in grind mode ultimately increasing visibility and clarity