One K Defender Helmet<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Stainless steel mesh. Hook &amp; loop adjustment</li><li>Advanced ABS composite outer shell</li><li>Comfort padded harness with synthetic suede lining</li><li>Washable quick-dry， moisture wicking and anti-microbial liner</li><li>XSmall 51-52cm (6 3/8 – 6 1/2)， Large 57-58cm (7 1/8 – 7 1/4)， Small 53-54 cm (6 5/8 – 6 3/4)， XLarge 59-60cm (7 3/8 – 7 1/2)， Medium 55-56 cm (6 7/8 – 7)， XXLarge 61-62cm (7 5/8 – 7 3/4)</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41LqBpS8CBL.jpg" noproxy>