Your hands stay happy and cool if you are inside on a treadmill or outside on the track. The permanent weight in the top of the glove is a weighted sand so it conforms to your hand. Renegade gloves come in unisex sizes of S/M and L/XL One pair of weighted gloves each weighing 1 lb. (2 lb. pair) Great for toning your arms, shoulders, and upper body without putting stress on your joints