Alpinestars S-M10 TLD 25 Edition Helmet The Alpinestars Supertech S-M10 helmet is at the forefront of rider protection and performance. Developed with an emphasis on a lightweight build, optimal ventilation, and superior comfort, it stands out without sacrificing safety or functionality. It boasts an aerodynamic design lacking external protrusions, reducing impact load points and ensuring energy is efficiently dispersed to minimize forces on the skull, neck, and spine. This streamlined helmet aims to keep riders safe while maintaining the highest standards of performance. Features: Lightweight outer shell constructed from carbon fiber Four shell sizes Multiple density inner liner Mips safety system Unique, patented, visor release system Patented A-Head fitting height and angle adjustment system Maximum ventilation with 19 intake and 5 exhaust ports Side shell shape coupled with soft EPP foam to prevent damage to collarbone in case of crash Removable, emergency release cheek pads with 3D contoured foam Removable anti-bacterial and hydrophobic comfort liner Hydration system compatibility E-Ject prepared Includes helmet bag, visor extension and winter accessory plug Adult Medium: 2.7lbs DOT and ECE 22.06 approved