Endura SingleTrack Full Face MIPS Helmet Design Philosophy Expanding Endura’s full face helmet range, the Singletrack Full Face helmet is the baby brother to the award winning MT500 full face. At home on the trials or in the mountains, the Singletrack full face offers affordable lightweight protection. Available with or without MIPS rotational technology, both the kids’ and adults’ variants are loaded with tech. The Singletrack full face includes large vents for increased airflow, one handed micro adjust fit system, goggle-friendly design with rear strap gripper and is EN1078, CPSC and ASTM F1952 certified. MIPS® MIPS® Brain Protection System which is designed to reduce rotational motion transferred to the brain from angled impacts to the head. Features Lightweight in-mould construction MIPS® Brain Protection System reducing multi-directional Impacts Large vents for increased airflow One-handed micro adjust fit system with multiple anchor points for wide range of adjustment Fast wicking, quick dry, soft touch, removable padding Goggle friendly design with rear strap gripper Covered by Endura’s Crash Replacement Policy and Endura Product Guarantee Certified to CE Standard EN1078:2012 + 1 A1:2012, CPSC & ASTM F1952 Size Guide S/M Circumference: 20-22" (51-56 cm) M/L Circumference: 21.5-23.5" (55-59 cm) L/XL Circumference: 23-25" (58-63 cm) This helmet comes up very slightly large, we therefore recommend going down a size if you are right at the low end or between sizing.