Proof Lab is Mill Valley's premiere surf shop! Located in Marin County, Proof Lab is ideal for the bay area local enthusiasts. Our store serves as a community space for surf, skate and art aficionados. We offer a wide range of surf-skate clothing, skateboards, wet suits and accessories. We also offer quality ding repair as well. We are able to custom order boards from over 30 manufacturers. Additionally, we are a proud member of "One Pe...