Buy the best-selling boots for girls in classy yet vivid shades of tan, olive, classic black, etc., at slashed prices. KEEN is a US-based footwear and accessories brand run by one of its co-founders named Rory Fuerst. The brand is headquartered in Portland, US, and, back in 2015, it roped in JEREMY COLLINS, a well-known artist, as their brand ambassador. Blue color has equal appeal to both men and women.