Please use your little bees Weight AND Height to determine size
Weight
Height
Get This Size
6-9 lbs
up to 21.5"
Newborn (NB)
9-12.5 lbs
21.5 - 24"
0 to 3 months (3M)
12.5 - 17 lbs
24 - 26.5"
3 to 6 months (6M)
17 - 21 lbs
up to 28.5"
6 to 9 months (9M)
21 - 25 lbs
28.5 to 30.5"
12 Months (12M)
25- 28 lbs
30.5 to 32.5"
18 Months (18M)
28 - 30 lbs
32.5 to 34"
24 Months (24M)
29 - 31 lbs
35 to 36.5"
2 Toddler (2T)
31 - 33 lbs
36.5 to 39"
3 Toddler (3T)
34 - 37.5 lbs
39 to 41.5"
4 Toddler (4T)
37.5 - 42 lbs
41.5 to 44"
5 Toddler (5T)
38.5 - 48 lbs
42.5 to 47.5"
6 Years (6Y)
59.5 - 69.5 lbs
50.5 to 53.5"
8 Years (8Y)
69.5 - 87 lbs
54 to 56"
10 Years (10Y)
87 - 101 lbs
58 to 60"
12 Years (12Y)
product
https://www.burtsbeesbaby.com/xo-doodles-big-kids-pj-set143563XO Doodles Organic Cotton Pajamashttps://www.burtsbeesbaby.com/media/catalog/product/K/D/KD31898-XO-Doodles-PJ-Set.jpg17.9924.95USDInStockAward-winning, breathable organic cotton pajamas. Super soft and durable. <p>Love is in the air! The snuggliest Valentine's Day pajamas with the sweetest handpainted prints for your little love!</p><ul><li>Available in sizes from Newborn through 12Y</li><li>Hand painted watercolor prints</li><li>100% organic cotton</li><li>Made in India</li></ul><p><strong>SLEEP & PLAY (NB-9M)</strong></p><ul><li>Relaxed and roomy fit</li><li>Snap tab at neckline</li><li>Zip front with two way zipper</li><li>Hidden zipper, and interior zipper guard</li><li>No-scratch convertible mittens on newborn & 0-3M sizes</li><li>Footed sleep & play for ultimate warmth.</li></ul><p><strong>SLEEPER (12M to 24M)</strong></p><ul><li>Slim and snug fit following regulated safety standards</li><li>Extra stretch on wrist cuffs for a comfortable fit</li><li>Snap tab at neckline to keep curious hands from pulling on zipper</li><li>Non-slip, extra coverage bee grip on feet to get around easily, elastic at ankles to keep feet in place</li><li>Two way zipper for easy diaper changes</li><li>Body & Sleeves: 100% Organic Cotton</li><li>Feet: 98% Organic Cotton, 2% Spandex</li></ul><p><strong>BABY, TODDLER, BIG KIDS 2 PIECE PAJAMAS (12M to 12Y)</p></strong><ul><li>Long sleeve & pant for colder weather months</li><li>Encased elastic waistband</li></ul><img src="https://www.burtsbeesbaby.com/media/wysiwyg/GOTS-ORGANIC-Small.jpg" alt="GOTS Certified organic cotton">00https://www.burtsbeesbaby.com/media/catalog/product/K/D/KD31898-XO-Doodles-PJ-Set-Back.jpghttps://www.burtsbeesbaby.com/media/catalog/product/L/Y/LY_TD_KD31898-XO-Doodles-PJ-Set-Swatch.jpghttps://www.burtsbeesbaby.com/media/catalog/product/T/D/TD31897-ALT1.jpghttps://www.burtsbeesbaby.com/media/catalog/product/T/D/TD31898-ALT2.jpghttps://www.burtsbeesbaby.com/media/catalog/product/T/D/TD31898-ALT3.jpgseason:Spring 2025gender:Boy, Girl, Neutralsku:KD31898146671XO Doodles Organic Cotton Pajamas - 6 Years17.9924.95https://www.burtsbeesbaby.com/media/catalog/product/K/D/KD31898-XO-Doodles-PJ-Set.jpgInStockXO Doodles6 Years146680XO Doodles Organic Cotton Pajamas - 8 Years17.9924.95https://www.burtsbeesbaby.com/media/catalog/product/K/D/KD31898-XO-Doodles-PJ-Set.jpgOutOfStockXO Doodles8 Years146596XO Doodles Organic Cotton Pajamas - 10 Years17.9924.95https://www.burtsbeesbaby.com/media/catalog/product/K/D/KD31898-XO-Doodles-PJ-Set.jpgOutOfStockXO Doodles10 Years146602XO Doodles Organic Cotton Pajamas - 12 Years17.9924.95https://www.burtsbeesbaby.com/media/catalog/product/K/D/KD31898-XO-Doodles-PJ-Set.jpgOutOfStockXO Doodles12 YearsBoy, Girl, NeutralSpring 2025KD31898Snug FitGray/Black