GearTOP Skull Cap Helmet Liner Running Beanie (Black) SWEAT THIS AND NOT YOUR HELMET! This unique hat helps absorb and retain body heat, while wicking away moisture and reducing sweat build-up. Your helmet liner will be cleaner than ever before! Made of Super Roubaix Fabric, a soft, anti-odor, breathable material, you will stay warm in the winter, cool in the summer, and dry and comfortable all year round! PROVIDING YOU WITH MORE NEEDED PROTECTION: Protect your head from nasty sunburn, or keep warm in colder temperatures. This headwear is small enough to easily fit in any jacket pocket as an emergency go-to cap! Also, these beanies fit under any bike helmet and motorcycle helmets! One size fits most, protect your children as well! KEEP YOUR HAIR OUT OF YOUR FACE, AND SWEAT OUT OF YOUR EYES! Fits great and holds your hair in place. You can use these head wraps as a cure for messy hair, and keep your hair looking good after several hours in a helmet. By absorbing sweat and moisture you no longer have to worry about oily hair after your sport outings. In addition, the material keeps sweat from dripping into your eyes on hot days. FITS YOUR HEAD PERFECT AND KEEPS EARS TOASTY. The lightweight, 4-way stretch material makes this bandana headband snug but not too tight! With covered ears, hold earbuds in place under your ski and bicycle helmet. Best of all, flat stitching means no itchy, rough seams. LIFETIME SATISFACTION GUARANTEE: All original GearTOP products come with a LIFETIME guarantee. If you experience ANY problems with these hats FOR THE LIFETIME OF THE PRODUCT, contact us and we will refund every penny of your purchase, and ship you a new cycling cap FREE of charge. Order your GearTOP skullcap today and experience the luxury of a comfortable ride! AMAZON CUSTOMERS SAY: I should have bought one years ago!