Smith Mainline MIPS Full Face Helmet helmets Our best-selling goggle

Our best-selling goggle

If there’s one thing we know best

impact resistant polymer construction is ideal for multiple impacts

The best kids’ base layer on the market uses a clever 2-layer construction to keep active youth dry and warm

cool weather

Smith Mainline MIPS Full Face Helmet helmets Our best-selling goggleThe Smith Mainline MIPS Full Face Mountain Bike Helmet is Smith's premier downhill certified helmet, engineered for riders who demand uncompromising protection on the most technical terrain. Whether you're racing enduro, charging steep descents, or spending long days at Whistler Bike Park, the Mainline delivers lightweight comfort, exceptional ventilation, and confidence inspiring safety. Built with complete KOROYD coverage and the Mips Brain