Hello Doggy Sock White - Mashtag Official Crew Socks The Hello Doggy Sock White is part of the Mashtag official collection. Made with premium combed cotton, these crew socks are built for everyday comfort with a reinforced heel and toe for durability, breathable mesh vents, elastic arch support and a self-adjusting cuff for a secure fit. Features: Cushion Cotton Arch Support Reinforced Heel & Toe Available in size: 7-12UK