Outdoor Research Men's Size Chart The Bowser Tee is most at home exploring out-of-the-way locales from Highway 1 to Route 66. Made from soft, comfortable 100% organic cotton, this tee is adorned with an old-school, gas-station-inspired Outdoor Research badge. Features: - Breathable - Lightweight - Garment Washed - Stretch Contrast Neck Binding - Screen Printed Graphic - PVC-Free Water Based Print - 100% organic cotton