Hit the streets with the best of men's hats and caps on your head by leading fashion brands and flaunt your style. Uniqlo is a clothing brand founded in Japan. The brand is known for its magnificent outerwear, sports utility, and winter and comfort wear for men, women, and kids. Uniqlo now operates around 1000 stores worldwide and raises the bar high of being a global brand. The olive color is derived from the shade of green olive.