Image 1 of 1 Gap Long Sleeve Onesie $5.00 0 - 3 months; sturdy cotton long sleeve onesie; sweet eyelet trim detail around neckline. Purchase Added! 0 - 3 months; sturdy cotton long sleeve onesie; sweet eyelet trim detail around neckline. You Might Also Like Quick View Infant Cotton Hat $5.00 Quick View Gap 2 Piece Set $10.00 Quick View Carter Newborn Floral Onesie $5.00 Quick View Gap Modern Teddy Bear Print Onesie $10.00 Quick View Gap Monster Long Sleeve Onesie $5.00