One-Pieces
Related Categories
- 50% Off Spring Favorites
- Baby Girl Sale: 40-70% Off Everything
- Baby Girl Clearance: Extra 50% Off
- Baby Boy Sale: 40-70% Off Everything
- Baby Boy Clearance: Extra 50% Off
- Baby Girl Shop by Size
- Baby Boy Shop by Size
- Baby Girl New Arrivals
- Baby Boy New Arrivals
- Mom & Me
- Spring Party Looks
- Sunny Vacation Shop
- Shop All Styles
- Newborn Essentials
- One-Pieces
- Bodysuits & Tops
- Sweaters
- Coats & Jackets
- Dresses & Rompers
- Sweatshirts & Sweatpants
- Pants & Leggings
- Jeans
- Shorts & Skirts
- Pajamas
- Swimwear
- Matching Sets
- Multi-Packs & Outfit Sets
- Accessories & Socks
- Shop All Styles
- Newborn Essentials
- Bodysuits & T-Shirts
- Shirts & Polos
- Sweaters
- Coats & Jackets
- Sweatshirts & Sweatpants
- Pants
- Jeans
- Shorts
- Pajamas
- Swimwear
- Matching Sets
- Multi-Packs & Outfit Sets
- Accessories & Socks
- Disney Shop
- Character Shop
- Logo Shop
- Family Matching
Baby Boy Essential One-Pieces
Shop Gap Factory for the baby boy one-pieces that will be a staple in his wardrobe. Stock-up on the easy head-to-toe outfits he’ll wear every single day. Pro tip: always have a clean baby onesie on hand. One in the drawer and one in the diaper bag as a backup. Featuring snaps at the inseam for easy dressing and diapering. Our baby one-piece outfits are made for every season. Sherpa half-zips are a cozy winter favorite that will keep him bundled-up on the coldest days. Our baby boy rompers are light and easy, with short sleeves to keep him cool (and adorable) all summer long. These one-step outfits are a parent’s dream and make changing baby a breeze. Got a baby shower coming up? You just found the perfect gift.
Baby boy one-pieces are made to dress up or down, with styles he can wear day or night. Our logo hoodie one-pieces feature the cutest ear appliques on the hood for your little bear. Our gauze one-pieces are lightweight and airy, perfect for summer baby photos you’ll want to share with all your family and friends. Our waffle-knit one-pieces are 100% comfy as he drifts off to sleep. Shop Gap Factory and save on the cutest baby boy one-pieces for his first year.