SPECIFICATIONS Lightweight Skull Cap - Thermal Helmet Liner & Sweat Wicking Beanie This product is a versatile lightweight cycling skull cap designed for athletes who need a low-profile thermal layer under their gear. This cap serves as an essential accessory for men and women who are outdoor enthusiasts looking for warmth without the bulk of traditional winter hats. Key Features Design & Graphic: Features a sleek, form-fitting dome design available in various styles, including solid colors like blue, black, and grey, as well as athletic camouflage patterns in red, grey, and green. Style: A modern, ultra-low-profile skull cap engineered to fit seamlessly beneath protective headgear. Fit & Comfort: Designed with a flexible stretch fit to accommodate head circumferences ranging from 48-68cm (18.8-26.7in). The cap measures approximately 24cm in diameter and 14cm in height for full crown coverage. Material: Constructed from breathable, thermal fabric that is warm yet thin, ensuring it remains non-bulky during intense physical activity. Application: Specifically designed to be used as a helmet liner for cycling, motorcycling, or skiing, providing an extra layer of insulation and moisture management. Why Choose This Product? This Cycling Skull Cap is the ultimate solution for maintaining head warmth during chilly morning rides or high-altitude adventures. Because it is not bulky, it can be used comfortably as the inner side of a helmet, preventing the discomfort often caused by thicker beanies. The wide size range and stretchable material ensure a snug, stay-put fit for almost any adult head size, making it a reliable choice for both competitive training and casual outdoor recreation.