Prana store employee Ryan Silven works on displays in the Boulder store. Three yoga apparel retailers are preparing to open new stores in Cherry Creek: Prana, LuLulemon and Athleta. This reflects the strong growth in the yoga industry. The Prana store in [Getty Images]

Prana store employee Ryan Silven works on displays in the Boulder store. Three yoga apparel retailers are preparing to open new stores in Cherry Creek: Prana, LuLulemon and Athleta. This reflects the strong growth in the yoga industry. The Prana store in Boulder has found great success in it's retail shop selling not only yoga specific clothes but also clothes for other sports such as climbing. Helen H. Richardson, The Denver Post (Photo By Helen H. Richardson/The Denver Post via Getty Images) — see more

Prana store employee Ryan Silven works on displays in the Boulder store. Three yoga apparel retailers are preparing to open new stores in Cherry Creek: Prana, LuLulemon and Athleta. This reflects the strong growth in the yoga industry. The Prana store in Boulder has found great success in it's retail shop selling not only yoga specific clothes but also clothes for other sports such as climbing. Helen H. Richardson, The Denver Post (Photo By Helen H. Richardson/The Denver Post via Getty Images)