Champion Double Dry Long-Sleeve Men's Compression T Shirt, White shirts closure Ultra-sleek fabric stretches four ways for flexible ease of movement. Built-in Double Dry system wicks moisture for quick-dry comfort. Flat-locked non-chafe seams won't rub you the wrong way. Contrast cover-stitch trim reinforces sleeves and shoulders. Tag free  no scratchy itch. Close-to-body fit  ideal base layer. 84% polyester/16% spandex