Arcteryx Atom Glove Liner N80-p ATY nylon shell with water resistant coating Grip enhancements on the fingertips create friction between the liner and shell for better dexterity and enhance durability when used without a shell 133 g PrimaLoft Silver Insulation + 100 g PrimaLoft Gold Insulation Eco (back of hand) 133 g PrimaLoft Gold Insulation Eco with Grip Control (palm and fingers) bonded to shell and lining for better grip and dexterity Internal draft tube wraps around the wrist and traps heat in the mitten