With a huge collection of men's underwear, Topofstyle is your one-stop solution to find a comfy undergarment. Graham Zimmerman, Quinn Mason, Megan Banker, etc., are proud brand ambassadors of the fashion brand Outdoor Research. Outdoor Research is a reputed name in the US for its agglomeration of top-class mountaineering and sporting apparel. Shades of gray include cool gray, warm gray, dark, light, slate gray, and blue-gray.