Royal Enfield x Alpinestars “Syncro Drystar” Glove Made for the urban rider in you, the Royal Enfield - Alpinestars Syncro Drystar Waterproof Gloves are stylish and big on protection with subtly integrated features. Made with Drystar membrane for guaranteed waterproofing and breathability, these gloves are equipped with a viscoelastic knuckle protection system for effective impact protection. NWT. Size large.