Hanna Andersson XOXO HannaJams Sleeper PJs Navy Red HannaJams. Unisex baby boy or girl size 70 cm (US 6-12 months) These pajamas are the best! Perfect, snug fit and full zip down one leg for easy on/off. 100% organic cotton. Navy blue and red XO heart pattern. Light wear and a small spot on the collar (see photo). Perfect for Valentine's Day!