Breathable & Sweat-wicking Milk Silk Fabric: lightweight material actively pulls moisture away and promotes airflow, keeping young athletes cool and comfortable during intense activities Precisely Sized for Youth (7-12 Years): designed to comfortably fit head circumferences from 48 cm/18.9 in to 64 cm/ 25.2 in thanks to its excellent stretch Essential for Sports & Helmets: the under-layer for football, cycling, ski, or bike helmets, and ideal for basketball, running, training, or outdoor adventures Stay Cool & Focused: effectively absorbs sweat during workouts, preventing drips and discomfort so kids can concentrate on their game or activity Comfortable, Lightweight Wear: ultra-light fabric ensures it feels barely-there, avoiding bulk or irritation even during long practices or games 6 Pieces youth sweat wicking cap running hats skull cap milk silk cycling helmet liner for youth running jogging exercise Quick dry and sweat-absorbent: The sweat wicking caps adopt sweat-absorbing design for quick air dry, make you always feel cool when wearing it, help to absorb your sweat and save you from sun or cold air, breathable enough to make your head stay in comfortable condition. Multi-purpose caps: The sweat wicking cap can be applied as a classic beanie, skull cap, helmet liner, sleep cap, running cap, cycling cap. It is versatile and multi-purpose and allows you to wear it in different occasions. Specifications: Material: milk silk Color: as pictures shown Package includes: 6 x Running hats Note: Product color may slightly vary due to photographic lighting sources or your monitor settings, please in kind prevail.