One K Defender Air Smooth Matte Helmet

The One K Defender Air Smooth Matte Helmet is the perfect helmet for someone who is in between sizes. The secret is in the air pump system that provides the ultimate in comfort and custom fit. Three hidden air pockets in liner inflate by pressing a concealed air pump in the harness to achieve desired fit. This helmet features a polycarbonate and advanced ABS composite outer shell that’s tough but lightweight with a modern matte finish. The liner is moisture wicking, quick drying, anti-microbial, and washable to keep you cool, dry, and comfortable. The harness is padded for comfort and lined with easy-to-care-for synthetic suede to keep you as comfortable. The Fastex buckle makes it quick and easy to take on and off. There are seven vents with two side, two front, one back, and two center stripe vents for over all distribution of air flow. It is ASTM and SEI F1163-15 certified.