Extreme Comfort & Durability in a clean classic design. The DX3® CANVAS™ is built around a U.S. Patented 40 mm case made from fiber reinforced polycarbonate for durability and light weight. It’s equipped with the all-new all-cotton Comfort Canvas™ band that is smooth to the touch, cool and dry. The rugged, tight weave all-cotton canvas features double layer edge stitching, stainless steel buckle, canvas keeper and long wearing embroidered holes. Over time, the natural cotton canvas will develop an attractive and distinctive patina. One size fits all.