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?