Brand vs brand

babyGap vs Little Sleepies sizes

Of babyGap's 9 baby and toddler sizes, 4 line up closely with a Little Sleepies size, 5 are partial matches, and 0 have no clean match. Both charts list weight and height, so the comparison uses both.

Closest pairs: babyGap 3-6M = Little Sleepies 3-6M, babyGap 6-12M = Little Sleepies 6-12M, babyGap 3Y = Little Sleepies 3T, babyGap 4Y = Little Sleepies 4T.

Watch the labels: babyGap 0-3M is closer to Little Sleepies 0-3M than to Little Sleepies' own 0-3M; babyGap 3-6M is closer to Little Sleepies 3-6M than to Little Sleepies' own 3-6M; babyGap 6-12M is closer to Little Sleepies 6-12M than to Little Sleepies' own 6-12M.

babyGap True to sizeLittle Sleepies True to size

Based on published size charts compared with other brands.

Size by size, on one scale

Each block is one size, placed where the brand's chart puts it. Blocks that sit above each other fit the same baby.

Weight (lb)

babyGap

Up to 7 lb: up to 6.6 lb
0-3M: 6.6 to 11 lb
3-6M: 11 to 17.6 lb
6-12M: 17.6 to 22 lb
12-18M: 22 to 26.5 lb
18-24M: 26.5 to 30.9 lb
2Y: 30.9 to 33.1 lb
3Y: 33.1 to 35.3 lb
4Y: 35.3 to 39.7 lb

Little Sleepies

Preemie: up to 5 lb
Newborn: 5 to 8 lb
0-3M: 8 to 12 lb
3-6M: 12 to 17 lb
6-12M: 17 to 23 lb
12-18M: 23 to 26 lb
18-24M: 26 to 30 lb
2T: 29 to 31 lb
3T: 31 to 35 lb
4T: 35 to 39 lb

Height (in)

babyGap

Up to 7 lb: up to 18.1 in
0-3M: 18.1 to 22.8 in
3-6M: 22.8 to 27.2 in
6-12M: 27.2 to 29.1 in
12-18M: 29.1 to 31.1 in
18-24M: 31.1 to 33.1 in
2Y: 33.1 to 35.8 in
3Y: 35.8 to 39 in
4Y: 39 to 42.1 in

Little Sleepies

Preemie: up to 18 in
Newborn: 18 to 21 in
0-3M: 21 to 23 in
3-6M: 23 to 27 in
6-12M: 27 to 31 in
12-18M: 31 to 33 in
18-24M: 33 to 34.5 in
2T: 33 to 36 in
3T: 36 to 39 in
4T: 39 to 42 in

babyGap size to Little Sleepies size

babyGap	Closest Little Sleepies	Match	Weight: babyGap / Little Sleepies	Height: babyGap / Little Sleepies
Up to 7 lb	Preemie	Partial	up to 6.6 lb / up to 5 lb	up to 18.1 in / up to 18 in
0-3M	0-3M	Partial	6.6 to 11 lb / 8 to 12 lb	18.1 to 22.8 in / 21 to 23 in
3-6M	3-6M	Close match	11 to 17.6 lb / 12 to 17 lb	22.8 to 27.2 in / 23 to 27 in
6-12M	6-12M	Close match	17.6 to 22 lb / 17 to 23 lb	27.2 to 29.1 in / 27 to 31 in
12-18M	12-18M	Partial	22 to 26.5 lb / 23 to 26 lb	29.1 to 31.1 in / 31 to 33 in
18-24M	12-18M	Partial	26.5 to 30.9 lb / 23 to 26 lb	31.1 to 33.1 in / 31 to 33 in
2Y	2T	Partial	30.9 to 33.1 lb / 29 to 31 lb	33.1 to 35.8 in / 33 to 36 in
3Y	3T	Close match	33.1 to 35.3 lb / 31 to 35 lb	35.8 to 39 in / 36 to 39 in
4Y	4T	Close match	35.3 to 39.7 lb / 35 to 39 lb	39 to 42.1 in / 39 to 42 in

Little Sleepies size to babyGap size

Little Sleepies	Closest babyGap	Match	Weight: Little Sleepies / babyGap	Height: Little Sleepies / babyGap
Preemie	Up to 7 lb	Partial	up to 5 lb / up to 6.6 lb	up to 18 in / up to 18.1 in
Newborn	0-3M	Partial	5 to 8 lb / 6.6 to 11 lb	18 to 21 in / 18.1 to 22.8 in
0-3M	0-3M	Partial	8 to 12 lb / 6.6 to 11 lb	21 to 23 in / 18.1 to 22.8 in
3-6M	3-6M	Close match	12 to 17 lb / 11 to 17.6 lb	23 to 27 in / 22.8 to 27.2 in
6-12M	6-12M	Close match	17 to 23 lb / 17.6 to 22 lb	27 to 31 in / 27.2 to 29.1 in
12-18M	18-24M	Partial	23 to 26 lb / 26.5 to 30.9 lb	31 to 33 in / 31.1 to 33.1 in
18-24M	18-24M	Partial	26 to 30 lb / 26.5 to 30.9 lb	33 to 34.5 in / 31.1 to 33.1 in
2T	2Y	Partial	29 to 31 lb / 30.9 to 33.1 lb	33 to 36 in / 33.1 to 35.8 in
3T	3Y	Close match	31 to 35 lb / 33.1 to 35.3 lb	36 to 39 in / 35.8 to 39 in
4T	4Y	Close match	35 to 39 lb / 35.3 to 39.7 lb	39 to 42 in / 39 to 42.1 in

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Every babyGap size in Little Sleepies

Close match

babyGap 3-6M lines up closely with Little Sleepies 3-6M.

Weight (lb)

babyGap 3-6M 11 to 17.6 lb

Little Sleepies 0-3M 8 to 12 lb

Little Sleepies 3-6M 12 to 17 lb

Little Sleepies 6-12M 17 to 23 lb

Height (in)

babyGap 3-6M 22.8 to 27.2 in

Little Sleepies 0-3M 21 to 23 in

Little Sleepies 3-6M 23 to 27 in

Little Sleepies 6-12M 27 to 31 in

The shaded column is the babyGap range. Bars show what each brand publishes for the size.

Based on published size charts. babyGap chart and Little Sleepies chart.

More comparisons

Charts retrieved October 4, 2026 (babyGap) and October 4, 2026 (Little Sleepies). Sources are listed on each brand page. This site is not affiliated with either brand.