Brand new interior padding design for maximum comfort EPS Impact Absorption Inner Liner Stain Resistant/Cooling Interior Advanced lightweight durable shell - Advanced Thermoplastic Shell Technology Stainless Steel Dual D-Rings Strap with button Package Contents: - 1 x New Helmet - 1 x Microfiber Cloth Helmet Bag DOT Safety Standard NOTE: Please MEASURING YOUR HEAD Before Bidding Helmet size is relatively smaller, one size bigger is recommended. A small metal tape measure, or a cloth tape may be used to make your initial measurement.The circumference of the head should be measured at a point approximately one inch above the eyebrows in front, and at a point in the back of the head that results in the largest possible measurement. Half Helmet Size Chart Helmet Size Inches Hat Size M: 22 1/4" - 22 3/4" or 7 1/8 - 7 1/4 or 57cm-58cm L: 23" - 23 1/2" or 7 3/8 - 7 1/2 or 59cm-60cm XL: 23 3/4" - 24 1/2" or 7 5/8 - 7 3/4 or 61cm-62cm