Hydromerino® combines the natural benefits of Merino Wool with the high performance features of synthetic yarns. A true yachting baselayer, the Hydromerino® Top provides a foundation of comfort and temperature regulation. Tested and verified to meet the extreme demands of Volvo Ocean Race teams. High stretch fabric and external seams for maximum comfort during extended wear. Highly water repellent stretch woven cuffs protect against accidental water flushing.