Carefully crafted with baby's skin and comfort in mind, our unisex Signature Short Sleeve Onesie is soft and comfy enough for all-day wear. Made using 100% cotton, this onesie is breathable and naturally hypoallergenic, meaning it's easy on baby's skin. Also features snap closures, which make clothing and diaper changes quick and effortless. Fabric Details: 100% Cotton Styling Tip: Keep baby stylin' by pairing our Signature Short Sleeve Onesie with our Baby Bass Beanie. Complete the look with baby's freshest kicks. Model Sizes: 0-3mo Size Chart: To ensure you order the correct size, click here to reference our size chart and measuring tips.