Combining the naturally anti-odor properties of merino wool, and the added durability and moisture management of recycled polyester, the Alpine Onset Merino Beanie is an easy choice for winter layering without overheating. Wear it alone or underneath a helmet for whatever your winter calls for - skiing, splitboarding, fat biking, trail running, and more.. . . . This product will be shipped directly from Outdoor Research and will leave their warehouse in 2-3 business days. Eligible for UPS ground shipping only.. . . . . Breathable. Wicking. UPF 30. Double Layered Earband. Four Panel Crown Construction. Flatlock Seams. Heat Transfer Logo. FABRIC: 47% Merino Wool (Non-Mulesed), 47% Recycled Polyester (Repreve), 6% Elastane Jersey (150Gsm). WEIGHT: 0.9 oz/26 g. Imported.