Boot Height: Approx. 18'' Tall. The Alpha SST (Scent Suppressing Technology), made of rubber-clad, naturally-insulating neoprene has a scent-proof gator on the top of the boots and provides scent control on the inside as well as the outside. This makes it a great choice for scent-free stealth while traveling to and from the treestand. With a nylon fabric lining for comfort and snag-proof durability. Features 1200G Thinsulate Ultra Insulation for colder hunting conditions.