What, exactly, is a “men's capsule wardrobe”? If you asked, oh, about a week ago, we'd have been pretty stumped ourselves.

To help you find the softest, warmest flannel shirts, we asked fashion stylists for their tips on shopping for flannel shirts and their favorite styles.

Along with wardrobe essentials like a white tee, LBD or "little black dress", or a pair of straight-cut jeans, the white ...