Superb softness, similar to your “favorite tee”. The feeling of that tshirt that is always at the top of the laundry pile, sleep in, wear to the gym, have had for years because of how soft it is kinda feel. Although it feels like soft cotton, our “favorite tee” fabric is made from a performance ring spun polyester / spandex blend with moisture-wicking / odor resistant capabilities and shape rentention properties. 3M™ Scotchlite™ Reflective Material that helps to increase visibility while walking or running in bright or low light. TreadGripStrip™: Patent Pending synthetic rubber with symmetrical patterns that provide balanced and consistent grip on the skin.