Castelli diluvio glovecastelli has developed the diluvio glove based on traditional gloves used for scuba diving in cold water just like with a wet suit your body heats up the bit of moisture inside the glove and you stay warm for moderate and rainy conditionsthe glove has been designed to provide some extra grip to the palm castelli modified the shape which provides the perfect fit and have chosen an extremely high quality neoprene thats incredibly stretchy its not designed for super co