POC Cadence Road Thermal Socks Stay Warm Thermal socks are great for those cooler rides when you want to stay warm. A natural choice on cooler days, yet ideal for year-round use, the POC Cadence Road Thermal Socks help to keep your toes warm when the temperature drops. Constructed with 35% Merino wool, and featuring terry knit zones at the heel and toe for extra insulation where it is needed most, the sock brings comfort, warmth, and performance. Features Constructed from a 35% Merino wool blend and features terry knit zones at the toe and heel for extra warmth Breathable without getting too cold Extra support and cushioning where it's needed most Sizing Size Small Medium Large Shoe Size US Men's5 - 6. 57 - 99. 5 - 11. 5Shoe Size EU37 - 3940 - 4243 - 45Shoe Size UK4. 5 - 66. 5 - 8. 59 - 10. 5 | Poc | Cadence Road Thermal Socks Men's | Size Large In Uranium Black