OPTIONS Men's Backless with built-in barrier/support, gray, center stoma, Medium 36-38. Men's Backless ideal for day, sleep and intimacy. Leg and waist band holds pouch securely against your body to ensure freedom and movement. Just right under swimwear. No fly opening. 50% Cotton/50% Poly. Ostomy Barrier/Support 100% Cotton-absorbs/wicks moisture away from skin.