Unless you’ve been living under a Rocky Mountain, you’ve probably seen a lot of Topo Designs over the last year or two. Mark Hansen, along with fellow adventurer Jedd Rose, created the backpack and apparel company to satisfy their obsession for the perfect gear. Together they produce beguiling products, made in the United States, that hit the sweet spot between great aesthetics and smart functionality. Here’s the music Playlist that fills Mark’s workplace. Lend an ear.