Bomber Black Flag The Original - Unmatched Staple Fit No Pull-Down, No Gathering, Soft 4-Way Stretch Fabric 90% Polyester 10% Spandex Size Chart: S: 28-30 M: 30-32 L: 33-35 XL: 36-38 2XL: 39-41 3XL: 42-44 4XL:45-47 The Ethika Men's Staple underwear represents Form, Fit and Function. The Ethika Staple Fit is what our brand was built on and continues to be the "Go To" style for nearly any occasion.