ON Running broke onto the activewear scene in 2010 and never looked back, rooted in its forward-thinking, scientifically innovative designs for safe and comfortable exercising. The Ultra-T T-shirt is built to be worn on long runs, it features soft seams that remove unwanted friction and a zipped back pocket so you can carry energy gels that'll help you make it to the finish line. Recycled Polyester/Elastane. Colour: orange