Smartwool's Performance Snow Targeted Cushion Pattern Over the Calf socks use targeted cushioning for maximum protection without the bulk - perfect for your tight-fitting snow boots. With Indestructawool technology for enhanced durability, a Virtually Seamless toe for enhanced comfort, and 4-Degree elite fit system for a dialed, performance-oriented fit, these Merino wool socks help enhance every snow day activity. 14 overall height Targeted Cushion: Cushioning in specific places depending on activity. Typically on the ball of the foot and the heel. 4-Degree Elite Fit System: For a dialed, performance-oriented fit with flex zone at ankle joint Indestructawool: Indestructawool technology features a patent-pending construction method for exceptional durability and comfort Body-mapped mesh zones for added breathability Wider welt for secure fit and comfort Virtually Seamless™ toe for enhanced comfort Made in USA: 62% Merino Wool, 36% Nylon, 2% Elastane