Brand vs brand

OshKosh B'gosh vs Little Sleepies sizes

Of OshKosh B'gosh'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: OshKosh B'gosh 6M = Little Sleepies 3-6M, OshKosh B'gosh 2T = Little Sleepies 2T, OshKosh B'gosh 3T = Little Sleepies 3T, OshKosh B'gosh 4T = Little Sleepies 4T.

OshKosh B'gosh 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)

OshKosh B'gosh

3M: 9 to 12.5 lb
6M: 12.5 to 17 lb
9M: 17 to 21 lb
12M: 21 to 25 lb
18M: 25 to 28 lb
24M: 28 to 30 lb
2T: 29 to 31 lb
3T: 31 to 33 lb
4T: 33 to 37.5 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)

OshKosh B'gosh

3M: 21.5 to 24 in
6M: 24 to 27 in
9M: 27 to 28.5 in
12M: 28.5 to 30 in
18M: 30 to 32 in
24M: 32 to 34 in
2T: 35 to 36.5 in
3T: 36.5 to 39 in
4T: 39 to 41.5 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

OshKosh B'gosh size to Little Sleepies size

OshKosh B'gosh	Closest Little Sleepies	Match	Weight: OshKosh B'gosh / Little Sleepies	Height: OshKosh B'gosh / Little Sleepies
3M	0-3M	Partial	9 to 12.5 lb / 8 to 12 lb	21.5 to 24 in / 21 to 23 in
6M	3-6M	Close match	12.5 to 17 lb / 12 to 17 lb	24 to 27 in / 23 to 27 in
9M	6-12M	Partial	17 to 21 lb / 17 to 23 lb	27 to 28.5 in / 27 to 31 in
12M	6-12M	Partial	21 to 25 lb / 17 to 23 lb	28.5 to 30 in / 27 to 31 in
18M	12-18M	Partial	25 to 28 lb / 23 to 26 lb	30 to 32 in / 31 to 33 in
24M	18-24M	Partial	28 to 30 lb / 26 to 30 lb	32 to 34 in / 33 to 34.5 in
2T	2T	Close match	29 to 31 lb / 29 to 31 lb	35 to 36.5 in / 33 to 36 in
3T	3T	Close match	31 to 33 lb / 31 to 35 lb	36.5 to 39 in / 36 to 39 in
4T	4T	Close match	33 to 37.5 lb / 35 to 39 lb	39 to 41.5 in / 39 to 42 in

Little Sleepies size to OshKosh B'gosh size

Little Sleepies	Closest OshKosh B'gosh	Match	Weight: Little Sleepies / OshKosh B'gosh	Height: Little Sleepies / OshKosh B'gosh
Preemie	None	No clean match	up to 5 lb / n/a	up to 18 in / n/a
Newborn	None	No clean match	5 to 8 lb / n/a	18 to 21 in / n/a
0-3M	3M	Partial	8 to 12 lb / 9 to 12.5 lb	21 to 23 in / 21.5 to 24 in
3-6M	6M	Close match	12 to 17 lb / 12.5 to 17 lb	23 to 27 in / 24 to 27 in
6-12M	9M	Partial	17 to 23 lb / 17 to 21 lb	27 to 31 in / 27 to 28.5 in
12-18M	18M	Partial	23 to 26 lb / 25 to 28 lb	31 to 33 in / 30 to 32 in
18-24M	24M	Partial	26 to 30 lb / 28 to 30 lb	33 to 34.5 in / 32 to 34 in
2T	2T	Close match	29 to 31 lb / 29 to 31 lb	33 to 36 in / 35 to 36.5 in
3T	3T	Close match	31 to 35 lb / 31 to 33 lb	36 to 39 in / 36.5 to 39 in
4T	4T	Close match	35 to 39 lb / 33 to 37.5 lb	39 to 42 in / 39 to 41.5 in

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Every OshKosh B'gosh size in Little Sleepies

Close match

OshKosh B'gosh 6M lines up closely with Little Sleepies 3-6M.

Weight (lb)

OshKosh B'gosh 6M 12.5 to 17 lb

Little Sleepies 3-6M 12 to 17 lb

Height (in)

OshKosh B'gosh 6M 24 to 27 in

Little Sleepies 3-6M 23 to 27 in

The shaded column is the OshKosh B'gosh range. Bars show what each brand publishes for the size.

Based on published size charts. OshKosh B'gosh chart and Little Sleepies chart.

More comparisons

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