Make your game smarter, faster, and better in modern sporting staples equipped with the latest in our innovative athletic technology. Our Favourite Heather Cat Training Tee Men is a contemporary spin on a classic, equipping a favourite silhouette with side vents for optimal air flow, smooth flatlock seams, and dryCELL technology so you can train at the peak of comfort. Recycled Content: Made with at least 20% recycled material as a step toward a better future Regular fit. Side seam vents for increased freedom of movement during exercise. Flatlock seams for less abrasion during exercise. Extended back hem for additional coverage when working out.