My baby is 3 months, but is already fitting in 6 month clothes. Should I size up to the medium or stick with the small?

I would if your baby is taller than average. We use the M size and have since my little one was 4 months. They work great! She’s almost 7 months now and they still fit her well. She’s in the 97 percentile for height.

For a baby that’s 28.5 inches long which size is better?

I bought M. My baby is 10 month and 28”, we are currently using them and she still has room

My baby only gains a little over a pound a month and is currently 11.7 and 23.5 in long at 4 months. Should I get small or medium?

When I got mine my baby was 4-5 months old & weighed 13 lbs and was around 24 inches long. I got her medium. She is 6 months old now weighs 17lbs 27.5 inches long & she still has room. I liked hers being a little better because she still has room to move around & likes to have the “freedom” but if your kiddo likes to be a little bit more “snuggled” I would get small.

Does it zip from feet to head for night diaper change?

It zippers up to the head and down to the feet and zip is covered with fabric

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Yoofoss Baby Sleep Sack 12-18 Month 0.5TOG 100% Organic Cotton 2-Way Zipper

Yoofoss Baby Sleep Sack 12-18 Month 0.5TOG 100% Organic Cotton 2-Way Zipper

Product ID: 530223640

Details

Age Range (Description)
Toddler
Brand
Yoofoss
Closure Type
Zipper
Color
Fabric Type
100% Cotton
Material
Cotton

🌿100% Organic Cotton, GOTS Certified

🔄2-Way Zipper for Easy Diaper Changes

🛌Roomy Fit Promotes Healthy Hip Development

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Description

🌙 Sleep smart, parent smarter—because every night counts!

PURE COMFORT PURE CARE - Crafted from 100% GOTS-certified organic cotton for ultra-soft, breathable, and skin-friendly sleep.
MIDNIGHT MAGIC MADE EASY - Innovative 2-way zipper with protective guards ensures hassle-free diaper changes without waking baby.
FREEDOM TO MOVE WARMTH TO STAY - Thoughtfully designed roomy arm, neck, and leg openings keep baby cozy while allowing natural movement.
SLEEP LIKE A PRO GROW LIKE A CHAMP - Perfectly sized for 12-18 months, supporting healthy hip development and longer, sounder sleep.
TRIPLE THE STYLE TRIPLE THE CONVENIENCE - 3-pack set in gender-neutral colors means baby’s always ready for bedtime—and so are you.

The Yoofoss Baby Sleep Sack for 12-18 months combines 100% GOTS-certified organic cotton softness with a smart 2-way zipper design, ensuring easy diaper changes and maximum comfort. Its roomy fit supports healthy hip development while keeping toddlers warm and secure. Available in a convenient 3-pack with neutral colors, this sleep sack is a must-have for parents seeking safe, breathable, and stylish sleepwear that promotes longer, restful nights.

Specifications

ASIN	B0BMLVL725
Additional Features	Breathable, Lightweight, Skin Friendly
Age Range Description	Toddler
Best Sellers Rank	#120 in Baby ( See Top 100 in Baby ) #1 in Baby Wearable Blankets
Brand Name	Yoofoss
Closure Type	Zipper
Color	Banana&leaf&green
Customer Reviews	4.8 4.8 out of 5 stars (9,201)
Fabric Type	100% Cotton
Global Trade Identification Number	06974796528007
Item Dimensions L x W	31"L x 20"W
Item Highlight	Wearable Blankets Toddler Sleeping Sack 3 Pack, Comfy Soft Lightweight
Item Type Name	Baby Sleep Sack
Manufacturer	Shenzhenshi Aisifang Clothing Co., Ltd.
Manufacturer Part Number	SS-F-024
Material	Cotton
Model Number	SS-F-024
Number of Items	3
Number of Packs	3
Seasons	Winter
Size	Large
Unit Count	3 Count

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42875CFA

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In stock

Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Senegal.

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