Altera’s Prevail sock is a grey medium-weight sock with a 9″ upper, a reinforced heel and toe, and arch support. It is excellent for everyday wear. These socks are machine wash and tumble dry on low heat. The Prevail sock is made in the US and it is a blend of 45% alpaca, 34% nylon, 15% lycra, and 1% silver.
Altera Sock Sizes
| Size | Women's Shoe Size | Men's Shoe Size |
|---|---|---|
| Small | 4-6 | |
| Medium | 6.5-10 | 5-9 |
| Large | 10.5-13.5 | 9-12 |
| Extra Large | 13.5-15 | 12-14 |
The Altera Sock Difference
– Moisture Wicking: Alpaca’s hollow core fiber wicks moisture away from feet offering supreme comfort
– Thermal Regulation: Alpaca’s superior hollow core fiber insulation keeps your feet warm in cool weather and cool in warmer weather. This helps to regulate body temperature
– Silver Infusion Technology: Alpaca fiber is blended with yarn infused with precious metals for naturally odor free and antimicrobial comfort
