The Whitaker NRG Helmet has a smooth, matte effect outer with a dash of sparkle silver on either side. It has a hard EPS foam inner shell which will absorb the shock from any impact and fall, and has been lined with breathable coolmax liner that can be removed and machine washed. Tested to SEI ASTM F1163-15 and VG1 standard, it comes with their Dial-To-Fit system which allows you to finely tune the fit of your helmet for complete comfort. 2 large front vents which has sparkle silver Sizes: XS 48-52cm, S 52-56cm, M 57-60cm, L 58-62cm * Approved for the following Riding Disciplines British Dressage British Eventing British Riding Club British Horse Society British Show Jumping Endurance GB The Pony Club Riding for the Disabled Showing Council Trec GB UK Polocrosse Association