All of them depending on the context:
cotton gloves - a covering for the hand made with a separate sheath for each finger and for the thumb.
rubber gloves - A rubber glove is a glove made out of rubber. Rubber gloves can be unsupported (rubber only) or supported (rubber coating of textile glove). Its primary purpose is protection of the hands while performing tasks involving chemicals.
woollen gloves - made of wool, a great fashion accessory that will keep you warm and cosy on those cold winter days.
metal gloves - a glove of armored leather; protects the hand. Similar Words: gauntlet, gantlet.
leather gloves - made of leather: driving, winter, dress, police, formal and opera gloves.