Design Philosophy GV500 is designed for gravel adventure. Whether that be a local evening mixed surface social ride or a multi-day mountain epic lightweight waterproof protection is an essential part of a riders outfit. The new GV500 waterproof legwear provides fantastic wet weather protection while being small enough to stash away when not in use. ExoShell40™ Using an innovative 3 layer construction and weighing in at only 70gsm ExoShell40™ delivers a formidable combination of minimal pack size, immense breathability and high durability. The key to the ExoShell40’s impressive breathability rating of 40,000g/m²/24hr and high waterproof rating lies in the ultrafine, fluorine free membrane, protected by a superfine denier tricot laminate and impregnated with a proprietary compound enhancing moisture transfer.