According to men's designer Peter Manning, 30 million American men are 5-foot-8-inches and under. Yet most of these shorter- to moderate-sized guys are forced to wear ill-fitting clothes designed for the taller set. Manning and co-founder and CEO Jeff Hansen opened an e-commerce men's clothing site in 2012 to address their needs. In January 2017, they added a second-floor retail shop in the Flatiron district at Broadway near 20 th Street. Although Peter Manning appeals to just one-quarter of...