Personalized National Bike Month Biking Cyclist Newborn Layette. Biking design has person riding a bicycle with quote that says May is National Bike Month on this Newborn Layette - Black with distressed style logo. 100% combed ringspun cotton 5.8 ounce 1×1 baby rib sleeper. 3/8" flatlock binding at envelope neck and cuffs. Back sleeve flap to protect hands. Elastic opening at bottom. Infant: 0-3 Months