{"product_id":"baby-long-undershirts-underpants-overalls-set-497","title":"Baby Christmas 3-Piece Set | Cotton Undershirt \u0026 Pants + Corduroy Overalls-497","description":"\u003ch2\u003eCozy, Festive \u0026amp; Skin-Safe From Day One 🎄✨\u003c\/h2\u003e\n\u003cp\u003eThis isn't just a cute Christmas outfit — it's a \u003cstrong\u003ecomplete 3-piece set\u003c\/strong\u003e built around the highest standard of baby comfort. Pair a premium A-Class seamless long-sleeve undershirt and underpants with a charming Christmas-themed corduroy velvet overalls bib, and you have everything your baby needs to look adorable and feel completely at ease — whether it's Christmas morning, a holiday family photo, or just a cozy December day at home.\u003c\/p\u003e\n\u003ch3\u003eThe Set Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong-sleeve undershirt\u003c\/strong\u003e — 100% pure cotton, seamless construction, worn directly against baby's skin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong underpants\u003c\/strong\u003e — matching seamless base layer, soft and breathable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e🎄 Christmas corduroy overalls\u003c\/strong\u003e — festive bib-style overalls in rich holiday colors, corduroy velvet fabric with a warm, textured finish\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy the Base Layer Matters\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e✅ A-Class Mother \u0026amp; Baby Certified:\u003c\/strong\u003e The strictest safety standard for baby textiles — safe for direct skin contact, including for newborns and sensitive skin\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e🧵 100% Pure Cotton — Seamless \u0026amp; Boneless Construction:\u003c\/strong\u003e No inner seams, no rough edges, no pressure points. The seamless knit wraps around your baby without irritation — especially important for newborns whose skin is sensitive to any friction\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e🌍 OEKO-TEX® Certified Raw Materials:\u003c\/strong\u003e Every fiber meets the OEKO-TEX Standard 100 — independently tested for harmful substances, safe for babies at every stage\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e👶 Designed for Layering:\u003c\/strong\u003e Lightweight enough to wear under anything, warm enough to stand alone — the perfect base for winter dressing\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0557\/3364\/9581\/files\/2026-09-29_10.34.49.png?v=1790650027\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0557\/3364\/9581\/files\/2026-09-29_10.34.57.png?v=1790650025\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0557\/3364\/9581\/files\/4_54008f35-e7ab-475a-b089-9f6826bc7536.jpg?v=1790649985\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0557\/3364\/9581\/files\/5_c1498667-8ff1-4062-b97d-cf1c49bf96be.jpg?v=1790649981\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0557\/3364\/9581\/files\/6_298fe020-d94a-4b6f-bc46-39d92c9398f2.jpg?v=1790649978\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003eThe Christmas Overalls\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e🧶 Corduroy Velvet Fabric:\u003c\/strong\u003e Soft, warm, and beautifully textured — the corduroy surface gives the overalls a rich, premium feel that photographs beautifully\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e🎅 3 Festive Holiday Colors:\u003c\/strong\u003e Red, Green, and Light Brown — classic Christmas tones that pair perfectly with the white cotton base layer\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAdjustable Bib Straps:\u003c\/strong\u003e Easy to put on and take off, grows with your baby through the season\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0557\/3364\/9581\/files\/06_7061e2d6-9460-4e39-82fe-bfd115c04d92.jpg?v=1790649984\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0557\/3364\/9581\/files\/07_8797cc25-99c3-4ced-a3d2-581d934f3730.jpg?v=1790650001\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0557\/3364\/9581\/files\/08_4df4e394-c545-446a-a91d-16bbddc3e92e.jpg?v=1790649981\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0557\/3364\/9581\/files\/11_16a21285-fb48-4c26-ace8-7ae13a17e216.jpg?v=1790650021\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0557\/3364\/9581\/files\/12_8d6c14df-32b7-4d23-b1ad-7701f11cea62.jpg?v=1790650017\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0557\/3364\/9581\/files\/13_b42d62d1-e05e-424c-b08a-5aaff271f8b5.jpg?v=1790649989\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0557\/3364\/9581\/files\/15_72258168-ef4c-41be-9a22-04ca03b6881a.jpg?v=1790649990\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003eSize Guide\u003c\/h3\u003e\n\u003cp\u003e📏 \u003cstrong\u003eSelect by your child's height for the most accurate fit.\u003c\/strong\u003e If between sizes, size up.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; text-align: center;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f5f5f5;\"\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px;\"\u003eSize\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px;\"\u003eAge\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px;\"\u003eHeight (cm)\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px;\"\u003eHeight (in)\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px;\"\u003eWeight (kg)\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px;\"\u003eWeight (lbs)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e70\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e3–6 Months\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e66–70 cm\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e26.0\"–27.6\"\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e6.0–8.0 kg\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e13.2–17.6 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fafafa;\"\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e80\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e6–12 Months\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e75–80 cm\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e29.5\"–31.5\"\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e8.0–11.0 kg\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e17.6–24.3 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e90\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e1–2 Years\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e85–90 cm\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e33.5\"–35.4\"\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e11.0–14.0 kg\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e24.3–30.9 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fafafa;\"\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e100\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e2–3 Years\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e95–100 cm\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e37.4\"–39.4\"\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e14.0–16.5 kg\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e30.9–36.4 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"font-size: 0.85em; color: #888;\"\u003e💡 Tip: If your child is between sizes, size up for a more comfortable fit.\u003c\/p\u003e\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cp\u003e🎄 Christmas morning \u0026amp; holiday family photos | 🎅 Festive gatherings \u0026amp; parties | ❄️ Winter daily wear \u0026amp; layering | 🎁 Baby shower \u0026amp; holiday gifting\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0557\/3364\/9581\/files\/16_bf85a2fd-aa1e-4d52-876f-c6ffb1b18673.jpg?v=1790649995\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0557\/3364\/9581\/files\/09_2fa44d50-e9a3-4a72-8b48-846394f3a969.jpg?v=1790649982\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0557\/3364\/9581\/files\/05_9231e26b-f5e9-4345-ba4a-d1b7b7d49efa.jpg?v=1790649981\" alt=\"\"\u003e\u003c\/p\u003e","brand":"Baby Sleep Better","offers":[{"title":"70 for 3-6M \/ Red","offer_id":67072868352173,"sku":"SKU497","price":28.99,"currency_code":"USD","in_stock":true},{"title":"70 for 3-6M \/ Green","offer_id":67072868384941,"sku":"SKU497","price":28.99,"currency_code":"USD","in_stock":true},{"title":"70 for 3-6M \/ Light Brown","offer_id":67072868417709,"sku":"SKU497","price":28.99,"currency_code":"USD","in_stock":true},{"title":"80 for 6-12M \/ Red","offer_id":67072868450477,"sku":"SKU497","price":28.99,"currency_code":"USD","in_stock":true},{"title":"80 for 6-12M \/ Green","offer_id":67072868483245,"sku":"SKU497","price":28.99,"currency_code":"USD","in_stock":true},{"title":"80 for 6-12M \/ Light Brown","offer_id":67072868516013,"sku":"SKU497","price":28.99,"currency_code":"USD","in_stock":true},{"title":"90 for 1-2Y \/ Red","offer_id":67072868548781,"sku":"SKU497","price":28.99,"currency_code":"USD","in_stock":true},{"title":"90 for 1-2Y \/ Green","offer_id":67072868581549,"sku":"SKU497","price":28.99,"currency_code":"USD","in_stock":true},{"title":"90 for 1-2Y \/ Light Brown","offer_id":67072868614317,"sku":"SKU497","price":28.99,"currency_code":"USD","in_stock":true},{"title":"100 for 2-3Y \/ Red","offer_id":67072868647085,"sku":"SKU497","price":28.99,"currency_code":"USD","in_stock":true},{"title":"100 for 2-3Y \/ Green","offer_id":67072868679853,"sku":"SKU497","price":28.99,"currency_code":"USD","in_stock":true},{"title":"100 for 2-3Y \/ Light Brown","offer_id":67072868712621,"sku":"SKU497","price":28.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/3364\/9581\/files\/546_fba6c68d-3cdd-4d93-a3f0-ef9646f9e116.jpg?v=1790649917","url":"https:\/\/babysleepbetter.com\/de\/products\/baby-long-undershirts-underpants-overalls-set-497","provider":"Baby Sleep Better","version":"1.0","type":"link"}