Sherpa Merino Skull Cap BeanieThe Sherpa Merino Skull Cap Beanie is a lightweight, lowbulk layer that keeps your head warm without the bulk of a traditional beanie. Made from superfine Australian merino wool, it fits neatly under helmets and hoods for hiking, snow sports and cycling. Key Features Superfine merino wool: 18. 5 micron Australian merino for a soft, nonitch feel. Thin, lowprofile design: Sits smoothly under helmets and other headwear. Moisturewicking: Helps move sweat