Which famous outdoor gear company's logo was directly inspired by a mountain used for military training during WWII?

Throughout history, military conflicts have influenced consumer products in unexpected ways. From wartime innovations that became everyday items to marketing strategies shaped by military history, the retail landscape bears many traces of battlefield influence. This trivia question explores how one iconic brand's logo was directly influenced by military history - a fascinating intersection of retail branding and wartime heritage that many consumers encounter without knowing its historical significance.

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Patagonia - inspired by Mount Fitz Roy where U.S. mountain troops trained
The North Face - inspired by Half Dome where Army mountaineers tested equipment
Columbia - inspired by Mount Hood where the 10th Mountain Division practiced
REI - inspired by Mount Rainier where military cold-weather gear was field-tested