With the classic Stormlock rip knit cap, you'll always be dressed for the occasion, whether you're heading to work or heading out to the countryside. With its clean look, this rib-knit hat is a classic winter item. In addition to its timeless design, this functional hat also has a number of important features. The reverse side consists of a windproof and breathable fleece fabric that is both soft and warm. The hat is also very breathable, so your head will stay dry even during strenuous activities. Wool and acrylic blended yarn. Stormlock fleece: windproof, very warm and breathable fleece.