This sock is unavailable for the 2024/2025 fall/winter season. We suggest the following alternatives: Fieldhiker OutdoorAdventure SlipperBootie Sports Crew Active Sports Ankle Active ----- The BACKPACA Alpaca Sock is a lightweight crew height sock. Made in the USA from fiber pooled from alpaca farms all over the USA. Lightweight - Micro Cushion - Crew Hiker The BACKPACA Alpaca sock is a lightweight hiker sock, designed for active comfort. Terry loop interior construction along the sole of the foot provides cushion, padding, and comfort. Ribbed knit along the top of the foot and up the calf allow for increased breathability and moisture wicking. Dense knit construction along with arch and ankle support bands keep the sock tightly in place throughout the day without bunching, slipping, or blisters on the trail. Temperature regulating properties both when dry or wet. Contents: 60% U.S. Alpaca, 35% Recycled Nylon, and 5% Lycra.