Wrinkle-resistant Memory Fabric. 360° underarm stretch allows for full range of motion without accidental ab exposure. Moisture-wicking fabric means peace out, pit stains. Stay-Put Collar with fused interior stays in place even after washing. Button down collar–no flapping collar tips. Machine wash cold. Tumble dry low. Fabric: 92% Nylon, 8% Spandex Model is 6'1'', Waist: 32'', Chest: 41'', wearing size Medium.