A go-to for the everyday runner, this heather tee is packed with details designed to take your performance to the next level. Lightweight fabric and dryCELL technology combine to create a fresh look with the feel-good factor â so you can focus on what's up ahead.. Visit our page to learn more about our nitro blue heather PUMA Run Favourite Heather Running T-Shirt Men, Nitro Blue Heather, size 3XL. Colour: blue