Robes, 3piece, pajama sets, onesies, nightgowns, etc., are some of the best-selling sleepwear you can buy for toddlers, tweens, and big girls. The most adorable collection for kids comprises baby bathrobes, baby bodysuits, bibs, and hoodies. Launched back in the 1670s, this Canadian firm has grown immensely. The cuff socks and aprons are the best sellers of the brand. Sky blue is one of the calmest colors available for Sleepwear.