Designed for the dinghy and raceboat sailors, the Ronstan CL22 Long Sleeve Rash Top will keep your body regulated on warm and cool days. It's made of a stretch fabric for the perfect fit with seamless underarm panel and external stitching for maximum comfort. You'll also love the UPF 50 UV resistant feature when the action heats up. Plus the bamboo fibre structure reduces windchill and has natural deodorising properties plus high breathability for warm-weather comfort. How cool is that?