With an upgraded fit for elevated performance, the Greyson x Detroit Lions Guide Sport Short Sleeve Tee is the perfect combination of a high performing workout tee and an everyday essential. Made from a new blend of brrrº fabric that is proven to keep you cool and wick moisture away throughout the day. Decorated with limited edition graphics from the Greyson x Detroit Lions collaboration. Finished with the wolf on the right shoulder. 94% Nylon | 6% Spandex This proprietary blend offers the best in cooling performance technology, and all-day comfort. The cooling effects of brrrº are independently lab tested and verified, and will help you feel dry and comfortable when life brings the heat. About brrrº Technology: brrrº combines the power of natural cooling minerals, active wicking and rapid drying technologies that work together to create a Triple Chill Effect™ that instantly and continuously draws heat and moisture away from the skin.