Burt's Bees Baby Pajamas - 2-Piece PJ SetEncased elastic waistband for snug and gentle fitAward winning - cribsie award winner for snuggliest & softest PJsRibbed band at ankles and wrists so legs and arms don't hike up during sleepThe purest layer: 100% organic, GOTS certified, breathable cotton - great for sensitive skin and to prevent overheating