Rukka top for men. Slim fit. Zippered key pocket on the side. No irritating side seams. Silicone print on the shoulders keeps the backpack in place. Very lightweight fabric. A.W.S. ACTIVE product design has paid special attention to functionality and comfort, making the product suitable for both active and casual movement. Antibacterial treatment keeps the material fresh, odorless, and comfortable for a long time. The fabric quickly wicks moisture away, keeping the skin dry and the feeling pleasant. The product's stretch material allows for four-way stretch, providing complete freedom of movement.