A small Bird logo is embroidered on the front

a plate at the back of the boot that enhances energy transmission between the shell and the cuff

Powerful shock absorption and travel equals consistent performance when you need it most

The full-length side panels are shaped to create a long

Smith Mainline MIPS Size:L A small Bird logo isGive credit where credit's due. Thank your mom, your legs, and your gear for giving you the opportunity to land that rocky gap. Made for going big, going fast, or both, the Smith Mainline is our pinnacle, downhill certified enduro bike helmet. Safety innovations like KOROYD and Mips provide energy absorbing impact protection so you have the confidence to get aggressive on the trail. It doesn't matter if you're slaying the EWS in Whistler or suffering