The least skipper has rounded wings and a skinny body. Their antennae are checkered and have no hooks. Male least skipper do not have stigmata. The upper side of the top wing is dark brown, sometimes having orange on it. The bottom wing is orange with a dark brown border around it. The underside of the wings is bright orange. The bottom wing's veins are a whitish color. Its wingspan (length of the wings) is ¾ to 1 inch.