Altura have used a durable and hard wearing mesh fabric for the back of these gloves so you get the toughness needed for off road riding but the comfort of breathability as you ride the plam is constructed of clarino174 a synthetic leather again providing excellent toughness alongside a suppleness that gives great bar feel and trail feedback a silicone cuff pull combined with low profile hook and loop cuff adjustment makes for easy on and off along with a perfect fit and feel