SW001652 Smartwool Men's Run Zero Cushion Low Ankle Pattern Socks For those who prefer minimal cushioning between their foot and shoe, the Run Zero Cushion Low Ankle Pattern socks are as comfortable as they are durable. Made from ZQ-certified Merino wool, these socks offer loads of comfort through the 4 Degree elite fit system, the anti-slip Achilles tab, breathable mesh zones, and the great benefits of the wool itself. Plus, they're enhanced with Indestructawool technology, which offers extended durability zones for long-lasting use. When it comes to putting the miles under your feet-whether it's on a trail, the pavement, or a treadmill-these socks are purpose-built for your feet to love.