"Triple Eight, know that sweating while skating sucks, so the techies listened and developed the patented Sweatsaver liner that helps eliminate the smells, the stinging and the eye blurring that occurs from sweat.  The revolutionary liner has moisture-wicking layers that limit sweat drippage, an anti-bacterial treatment to make it virtually stink-proof, and a 360° wrap around design so that there is absolutely no liner separation. Product Details Multi-impact Design Sweatsaver™ liner comes standard Adjustable Straps Triple Eight Customised Logo Rivets Ideal for inline skating, roller derby, and most roller sports Does not comply with Australian AS/NZS CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older AND ASTM F-1492-08 Safety Standards for skateboarding and trick roller skating. THIS PRODUCT IS NON-CERTIFIED. This product has NOT been tested under ASTM, CPSC, ANSI, or CE safety standards. This product should NOT be used for any activity other than the sport for which it was designed. This product is NOT intended for use as a bicycle helmet. This product is NOT designed to provide protection for use on any motorised vehicle."