NWOT Pehr Sleeveless One-Piece Life Aquatic print 6-12M Whether for a backyard picnic or trip to the beach, the Sleeveless One-Piece offers a relaxed, billowy fit to keep your little one comfortable. Made from Pehr's signature organic cotton jersey for added breathability and softness, with two adorable pockets, the front placket and bottom snap closures make for easy on-and-offs.