Pro-Tec Low Pro Certified Helmet

LOW PRO Certified Helmet Breakthrough technology that delivers the deepest fit with unlimited customization for supreme comfort and security. Can be used for Skating or Biking! SIZING: XS/S: 51-54cm | S/M: 53-57cm | L/XL: 57-60cm Slim, Deep Fit: SLIMTECH CORE with EPS Matrix Foam is 22% thinner than a standard helmet, delivering the slimmest, deepest fit.   No Wiggle Fit: FLEXLOCK FIT system and 17-piece padding kit ensure a fully adjustable, secure fit to hug your head no matter how hard or big you spin Trusted & Safe: Triple-certified to meet U.S. CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older, ASTM F1447 for Recreational Bicycling or Roller Skating, and ASTM F1492 for Skateboarding and Trick Roller Skating.  PRO TIP: Pro-Tec strongly recommends sizing up if your measurements fall at the upper end of a size range. Example: If you measure 54 cm, choose size S/M. Based on years of customer feedback, the larger size typically offers a better, more comfortable fit. Use: BMX/Skate Material: ABS Hard Shell Vents: 11 Retention: Adjustable