Leather mittens with the warmth, dexterity and durability for dedicated riding. The Burton [ak] Clutch GORE-TEX Leather Mittens are all about durability and dexterity, so you can keep your hands covered and warm. Their leather build and GORE Grip membrane set you up with the weather coverage and durability to ride day in and day out. Primaloft Gold cranks up the heat without adding weight or bulk.