This non-bulky riding hat has a modern-looking smooth, matte effect outer and features a dial-to-fit system which allows jockeys and horse riders to fine tune the fit of their hat.To allow improved airflow, there are two large front vents.It\'s tested to SEI, ASTM F1163-15 and VG1 safety standards and has been approved by the following riding disciplines:British DressageBritish Eventing British Riding ClubBritish Horse SocietyBritish Show JumpingEndurance GBThe Pony ClubRiding for the DisabledShow CouncilTrec GB UK Polocrosse AssociationFeaturesLightweight, riding hatModern-looking, smooth, matte outer2 x large front vents with silver sparkle detailShock absorbing EPS FoamConforms to SEI, ASTM F1163-15 and VG1 safety standardsBreathable and machine washable Coolmax liningSizesXS: 48-52cmS: 52-56cmM: 57-60cmL: 58-62cm