The Classic 2.0 continues to stand out. Its minimal design, patented vent system and signature brim provide style without compromising protection. The Low Rider edition is designed for the water and features a tough ABS shell with a flexible EVA liner tested to reduce the force transmitted to the head in case of a crash. Certification: CE EN 1385:2012 /  Helmet for canoeing and white water sports. FEATURES • 2 sets of fit pads for optimum comfort• Ultra low profile fit• Flexible EVA foam protects against multiple low force impacts• Quick dry fit pads for added comfort• Patented undercover vent system• Removable ear covers available separately• Sandbox Crash Warranty   Size Small Medium Large Hat Size 6 1/2 - 6 3/4 6 7/8 - 7 1/8 7 1/4 - 7 1/2 Inches 20.5" - 21.3" 21.7" - 22.4" 22.8" - 23.6" Centimeters 52cm - 54cm 55cm - 57cm 58cm - 60cm