The Vulkan Classic Universal Back Support provides level 1 (moderate) compression and lumbar support in a one-size-fits-all design. Constructed with Aerotherm technology and a neoprene blend (80% neoprene, 8% elastic, 7% polyester, 3% fibreglass, 2% nylon), it retains therapeutic warmth while allowing airflow for comfortable everyday wear. Lightweight and low-profile, it helps relieve lower-back discomfort from strains, sprains and muscle spasms. Colour: Black.