Running, hiking, or a brisk morning walk – the lightweight Climate Shirt keeps off the chill, never overheats, and wicks sweat Discreet zip pocket - We designed the Climate Shirt to be ultra-lightweight – because nothing should get in the way of your performance. And that goes for your storage too, with a discreet drop-in side pocket with zip to store your card and other essentials. Fast-drying fabrics - That 3D waffle design doesn't just look good. It does you and the planet lots of good, too. It's fully recycled polyester that wicks moisture faster than most running shirts. Warm in the cold, cool in the heat – the perfect balance. Watch window - Made for long-haul runners and all-day trekkers, the four-way stretch powers your every movement without restriction. And if you're keeping an eye on the clock (and your stats), we've added thumbholes and a watch window, without exposing your skin to the elements | On Men's Climate Shirt Sweater in Grape, Size: XL. Cold-weather runs, moisture-absorbing, fast-drying Running, Road Running. Performance Running | Recycled Polyester