Magnum Mens MX-5 Heavyweight Socks The Magnum MX-5 Heavyweight Socks are designed to provide exceptional warmth, comfort, and durability for long days on your feet. Made with a premium Merino wool blend, these heavyweight work socks offer excellent insulation, moisture management, and a secure fit, making them ideal for demanding work environments and cold-weather wear To see more from Magnum, visit the Magnum Collection