Psycho Bunny Castle Roc Small 80% nylon 13% spandex Machine wash cold with like colors. Gentle cycle, use only non-chlorine bleach when needed. Tumble dry low. Remove properly. Warm iron if needed. Psycho bunny performance offers a unique combination I’ll forward styling with true active undergarment attributes. With body cooling fabrics and construction these modern styles will stand up to any test in the gym, on the pavement or anywhere else you may work up a sweat!