No beta testing necessary. A recycled and buttery soft first layer for your most active hikes. Features Uses, on average, the equivalent of 26 recycled plastic water bottles (calculations based on a men’s medium, 8g of plastic per bottle which is representative of a 500mL single use plastic water bottle) Moisture wicking ¼ center front zip Thumb loops Hanger loop Fabric: 88% Recycled Polyester / 12% Spandex Length: 28" centre back length