Our most advanced jersey ever, featuring the All-New “4-Cell” Performance Fabric with four-way stretch. Silicone-lined edge, laser-cut venting on the upper chest, upper arms, and obliques for added cooling. Stich-less welded seams on arms. One of the lightest jerseys at only 7 ounces (size L). Closed cell four-way stretch vented panel falls on the entire back to allow maximum movement. Infinity cuff / cuffless and infinity collar lined with stretch tape for maximum comfort. Extended tail with cooling mesh. Clear silicone printing on lower back to help keep jersey tucked in. Closed cell vented keeps you cool under the forearms, shoulders, under-arms, and tail.