Size 3-6 months (Tag says 6 months)
Chest under the armpit: 9"
Waist: 9"
Length of shirt: 11"
Size 6-12 months (Tag Says 12 months)
Chest under the armpit: 10"
Waist: 10"
Length of shirt: 13"
Size 12-18 months (Tag says 18 months)
Shoulder to Shoulder: 9.5"
Chest under the armpit: 11"
Waist 10.5"
Sleeve (Short): 3"
Length of shirt: 14"
Size 2
Shoulder to Shoulder: 9.5"
Chest (across the front, under the armpit): 11"
Waist: 10.5"
Length of Sleeve (shoulder seam to sleeve hem): 14" (Long sleeve)
Length of Sleeve (shoulder seam to sleeve hem): 3" (short sleeve)
Length of shirt: 15"
Size 4
Shoulder to Shoulder: 11"
Chest (across the front, under the armpit): 12"
Waist: 11"
Length of Sleeve (shoulder seam to sleeve hem): 15.75" (long sleeve)
Length of Sleeve (shoulder seam to sleeve hem): 3.5" (short sleeve)
Length of shirt: 16"
Size 6
Shoulder to Shoulder: 12"
Chest (across the front, under the armpit): 14"
Waist: 12.75"
Length of Sleeve (shoulder seam to sleeve hem): 17.75" (long sleeve)
Length of Sleeve (shoulder seam to sleeve hem): 4" (short sleeve)
Length of shirt: 18"
Size 8
Shoulder to Shoulder: 12"
Chest (across the front, under the armpit): 14"
Waist: 12"
Length of Sleeve (shoulder seam to sleeve hem): 17.5" (long sleeve)
Length of Sleeve (shoulder seam to sleeve hem):not available -- see American Apparel cap sleeve t-shirts (short sleeve)
Length of shirt: 19"
Size 10
Shoulder to Shoulder: 12.5"
Chest (across the front, under the armpit): 14.75"
Waist: 13"
Length of Sleeve (shoulder seam to sleeve hem): 14" (long sleeve)
Length of Sleeve (shoulder seam to sleeve hem): 5.25" (short sleeve)
Length of shirt: 20"
Size 12
Shoulder to Shoulder: 13"
Chest (across the front, under the armpit): 15.5"
Waist: 14"
Length of Sleeve (shoulder seam to sleeve hem): 20" (long sleeve)
Length of Sleeve (shoulder seam to sleeve hem): 5.5" (short sleeve)
Length of shirt: 21"