Except those companies have multiple products. Salomon, for example, produces clothing, shoes, skis, goggles, and helmets.

Salomon originally was a metalworking company that sold saw blades. And they turned that into sporting goods equipment. They also own Mavic -- bike parts.

Patagonia originally sold rock climbing gear only.. and expanded into clothing.

Those companies are diversified stable companies, that have expanded into other lines of business... reducing their risk.

GoPro is like Salomon deciding to stick with saw blades.

I don't think GoPro necessarily needs to add outdoor gear.. it was merely an example. GoPro has quite a few options open to it... virtually all unexplored by GoPro.