HEAVYWEIGHT HOLLOFIL BACKPACKING SOCK- This is the ultimate winter backpacking sock. Hollofil is designed to insulate your feet against the cold by trapping air inside the fibers of the sock. Hollofil combined with wool make this one of the warmest backpacking socks that we carry. The softness you will feel is due to the acrylic that is knit into this sock. The wool and acrylic do a great job of wicking sweat leaving your feet warm and dry.
- HollofilŽ provides a thermal barrier for extra warmth and maximum comfort
- Heavy weight, crew socks
- Wool is very durable and wicks moisture away naturally
- LycraŽ top for stay-up power
- Fully thermalined for extra warmth and shock absorption
- Smooth, flat toe seam
- 35% wool, 31% HollofilŽ polyester, 26% acrylic, 7% nylon, 1% spandex