Prevail 9" Crew Medium Weight Sock

On a microscopic level, alpaca fleece has a smooth exterior surface, which is why alpaca is as soft as silk. Alpaca features an unique hollow core which allows it to wick moisture away from your skin Alpaca fiber provides up to 30% greater insulation that Merino wool in either hot or cold conditions. Total thermal regulation even when wet!

Moisture Wicking: Alpaca's hollow core fiber wicks moisture away from feet offering supreme comfort

Thermal Regulation: Alpaca's superior hollow core fiber insulation is warm in cool weather and cool in warmer weather. This helps regulate body temperature.

Silver Infusion Technology: Alpaca fiber is blended with yarn infused with precious metals for naturally odor free and antimicrobial comfort 

Alpaca fiber is processed with a biodegradable citrus based cleaner. Altera High Performance Fiber Technology is naturally anti-microbial and flame resistant. Altera enhances the antibacterial properties of the alpaca fiber with an exclusive Silver Infusion Technology, enabling multiple odor-free wears of our alpaca garments without laundering.

The Prevail Sock is made in the US for Altera Alpaca

45% Alpaca

34% Hydrotec

15% Lycra

1% Silver

Care: Machine wash / never bleach. Tumbler dry low heat or hang dry. Turn inside out for best results.

Available in colors: Sage and Coyote Brown 

Sold in 3 sizes:

Medium: Men's 5-9 / Women's 6.5-10

Large: Men's 9-12 / Women's 10.5-13.5

X-Large: Men's 12-14 / Women's 13.5-15