As a full coverage option, the Thunder Beach Volleyball Top features an elastic band and stretch fabric that both supports during play and allows for greater freedom of movement.Wear-tested and approved.Full coverage top.Elastic band supports during play.Stretch fabric for greater freedom of movement.Mizuno RunbirdA(R) logo on on front.RunbirdA(R) logo on on back.Tear-away care and content label.Materials: 80% Polymide with 20% Elastane