Designed to be fitted throughout. Non-adjustable straps. Fabric Eco Cinch is a light weight, soft, stretch jersey fabric - 88% TENCEL™ lyocell, 12% spandex. TENCEL™ Lyocell comes from Eucalyptus trees, which take only half an acre to produce one ton of fiber. Its closed loop production means 99% of the non-toxic solvent is reused. Sustainably made in Los Angeles. Care Wash cold + dry flat.