These durable, made in the USA, fully Berry-compliant socks are USAF certified Safe to Fly. They provide all the warmth, comfort, and features needed in a high-performance environment, with the added safety and assurance that your feet will be protected by Fox River's flame-resistant and certified "no drip no melt" technology. As with all Fox River socks, The Safe To Fly Heavyweight Mid-Calf Boot Sock is proudly made in the USA.
- Vented panels remove moisture and keep you dry
- Boot Height
- Fully cushioned sole absorbs shocks and insulates
- Cushioned shin for extra padding against boot lacing
- Reinforced toe and heel add durability and longer sock life
- Smooth, flat comfort toe seam
- Made In The USA