Box Two is the performance middle-tier option within the Prime 9 lineup

the Mamba is built with a large platform and 4 replaceable pins per side to provide plenty of support for tricky

while inspiring athletes to move confidently and seamlessly through their day

road rim compatible options are in the works)

Plastic-free packaging

Smith Shift XL Mag Sunglasses - One Size Fits Most - ChromaPop Photochromic Clear To Gray Lens PDP|PLP|Brake Rotor Type Box Two is the performanceFull speed ahead. The Smith Shift XL MAG sunglasses are an oversized shield made for maximum coverage and performance on the bike and trail. Their wide shield coverage maintains full vision at speed while ChromaPop brings every detail of the road and trail to life with enhanced contrast and natural color. Smith MAG interchangeable lenses use a magnetic clip for quick, fingerprint free lens changes. Combined with a lightweight frame and non slip nose