Yellow safety hangtag in sizes over 9 months with tag text: “For child’s safety, garment should fit snugly. This garment is not flame resistant. Loose-fitting garment is more likely to catch fire.”
100% GOTS-certified organic ribbed cotton
AZO-free, water-based dyes
Soft flat seams
DESCRIPTION
Soft, breathable, and gentle on sensitive skin — our flat seamed sleepers are made from 100% organic cotton with fold-over mittens in sizes 9-12 months and under and color-coded snaps for easy dressing and diaper changes.
FEATURES
Hypoallergenic and made from 100% organic cotton. Dyed with GOTS-certified, water-based dyes—free from AZO toxins.
CLOTHING CARE
Machine wash cold. Tumble dry low.
SHIPPING AND DELIVERY
Shipping & Fulfillment Options: Please select your preferred shipping method at checkout. Standard rates apply for domestic and international orders.
For In Stock Items Only (Same-Day Shipping): If order is placed before 1PM EST we endeavor to ship the same day.
Free Manhattan Pick-Up: Available from our Upper West Side location. For in-stock orders placed before 1PM EST - select at checkout; we'll email to arrange pickup.
This size chart is a starting point, individual fit preferences may vary. For best fit at time of purchase, use your current measurements.
Age
Size
Head Measurement (inches)
2Y-3Y
S
20.5
3Y-4Y
4Y-5Y
M
22
5Y-6Y
6Y-7Y
7Y-8Y
L
23.5
8Y-9Y
9Y-10Y
This size chart is a starting point, individual fit preferences may vary. For best fit at time of purchase, use your current measurements.
Size
Height (Inches)
Weight (lbs)
Newborn
17.5 - 20
5.5 - 8
0-3 months
21 - 24.5
8.5 - 14.5
3-6 months
25 - 27
15 - 18
6-12 months
27.5 - 30
18.5 - 21
12-18 months
31 - 33
21.5 - 24
18-24 months
33 - 35
24.5 - 27
Please note: these are general fit guidelines for Treehouse Essentials styles. Fit may vary depending on individual body types. If the size you select isn’t quite right, we’re happy to offer an exchange for a different size (see our Delivery & Return Policy for details).
Size
Height (inches)
Chest (inches)
Waist (inches)
Hip (inches)
2-3 years
35–39.5
20.75
21.25
21.5
3-4 years
40–42
22
22
23
4-5 years
43–45
23
22.5
24
6 years
45.5–49
24
23
25
7 years
50–51
25
23.5
26.5
8 years
52–54
26
24.5
27.5
9 years
54.5–56
27
25–25.5
28.5
Please note: these are general fit guidelines for Treehouse Essentials styles. Fit may vary depending on individual body types. If the size you select isn’t quite right, we’re happy to offer an exchange for a different size (see our Delivery & Return Policy for details).
US Shoe Size
Typical Age Range
Category
0-2
0-6 months
Baby
3-4.5
6-12 months
Baby/ Early Walker
5-7.5
1-2 years
Baby/ Early Walker
8-9.5
2-4 years
Toddler
10-12.5
4-7 years
Toddler/ Little Kid
13-3
7-10 years
Big Kid
This size chart is a starting point, individual fit preferences may vary. For best fit at time of purchase, use your current measurements.
BRALETTE
Kids Size
7–8 yrs
9–10 yrs
11–12 yrs
1/2 Chest
30
32
34
1/2 Bottom Opening
28
30
32
Front Length
14
15.5
17
Back Length
11
12.5
14
Total Strap Length
20
20.5
21
Distance Between Back Straps
11
11.5
12
BRIEF
Kids Size
7–8 yrs
9–10 yrs
11–12 yrs
Waistband (stretched)
25.26
27.26
29.26
1/2 Hip
30
32
34
Front Rise
13.5
14.5
15.5
Back Rise
15
16
17
Side Length
9
9.5
10.5
Leg Opening
39.33
41.02
41.83
This size chart is a starting point, individual fit preferences may vary. For best fit at time of purchase, use your current measurements.
Kids Size
Approx. Age
Height (in)
Weight (lbs)
Waist (in)
2T
2–3 yrs
33–36
26–31
15.7-18.1
3T
3–4 yrs
36–39
31–36
16.5-18.9
4T
4–5 yrs
39–42
36–41
17.3-19.7
5
5–6 yrs
42–45
41–47
18.1-20.5
6
6–7 yrs
45–48
47–53
18.9-21.3
7
7–8 yrs
48–51
53–58
19.7-22
8
8–9 yrs
51–54
58–64
20.5-22.8
10
9–10 yrs
54–57
64–72
21.3-23.6
11
10–11 yrs
57–60
72–81
22-24.4
12
11–12 yrs
60–63
81–92
22.8-25.2
13
12–13yrs
63–65
92–102
23.6-26
14
13–14yrs
65–67
102–115
24.4-26.8
This size chart is a starting point, and every child fits a little differently. For more help with measurements and finding the best underwear size, please visit our SIZE GUIDE
What Makes Treehouse Different
At Treehouse, we’re not raising the standard, we’re rewriting it.