BOODUN Cycling Mountain MTB Road Biking Gel Pad Gloves 40% microfiber/50% mesh/5% terry/2% neoprene/2% lycral/1% sbr Palm width: M (3.15-3.35"), L (3.35-3.74"), Xl (3.74-4.13"), XXL (4.13-4.52") Tight-fitting Silicone gel padding on the palm helps to cut down road vibration and relieve hand fatigue Reflective stripe designed make night bike riding safe Mesh (top) material, stretchable, conforms to the hand's shape with good air permeability