At Obibi, we understand that proper fit is crucial for baby's comfort and development. Our comprehensive size guide is based on extensive research and international standards to ensure optimal comfort and functionality. This guide provides detailed measurement specifications for all our baby clothing categories and serves as a reference for custom sizing requirements.
Our standard sizing follows international age-based classifications with precise measurements for each category.
| Size | Age Range | Weight Range | Height Range | Chest Circumference | Waist Circumference |
|---|---|---|---|---|---|
| Preemie | Up to 1 month | 1.5-2.5 kg | 35-45 cm | 30-33 cm | 28-31 cm |
| Newborn (NB) | 0-3 months | 3-6 kg | 45-56 cm | 34-38 cm | 32-36 cm |
| 0-3M | 0-3 months | 4-7 kg | 50-60 cm | 38-42 cm | 36-40 cm |
| 3-6M | 3-6 months | 6-8 kg | 60-67 cm | 42-45 cm | 40-43 cm |
| 6-9M | 6-9 months | 7-9 kg | 67-71 cm | 45-48 cm | 43-46 cm |
| 9-12M | 9-12 months | 8-10 kg | 71-76 cm | 48-51 cm | 46-49 cm |
| 12-18M | 12-18 months | 9-11 kg | 76-81 cm | 51-54 cm | 49-52 cm |
| 18-24M | 18-24 months | 10-12 kg | 81-86 cm | 54-57 cm | 52-55 cm |
| 2T | 2 years | 11-14 kg | 86-91 cm | 57-60 cm | 55-58 cm |
| 3T | 3 years | 13-16 kg | 91-96 cm | 60-63 cm | 58-61 cm |
| Size | Shoulder to Crotch (A) | Chest Width (B) | Armhole Depth (C) | Rise (D) | Leg Opening (E) |
|---|---|---|---|---|---|
| NB | 36 cm | 21 cm | 8 cm | 18 cm | 10 cm |
| 0-3M | 40 cm | 23 cm | 9 cm | 20 cm | 11 cm |
| 3-6M | 44 cm | 25 cm | 10 cm | 22 cm | 12 cm |
| 6-9M | 48 cm | 27 cm | 11 cm | 24 cm | 13 cm |
| 9-12M | 52 cm | 29 cm | 12 cm | 26 cm | 14 cm |
| 12-18M | 56 cm | 31 cm | 13 cm | 28 cm | 15 cm |
Three-snap crossover design for easy diaper changes. Snap spacing: 5cm between snaps.
Envelope neckline or reinforced binding for easy on/off without discomfort.
Generous cut in seat area to accommodate diapers without restriction.
| Size | Body Length | Chest Width | Shoulder Width | Sleeve Length | Neck Opening |
|---|---|---|---|---|---|
| 0-3M | 28 cm | 24 cm | 16 cm | 12 cm | 22 cm |
| 3-6M | 30 cm | 26 cm | 17 cm | 14 cm | 23 cm |
| 6-9M | 32 cm | 28 cm | 18 cm | 16 cm | 24 cm |
| 9-12M | 34 cm | 30 cm | 19 cm | 18 cm | 25 cm |
| 12-18M | 36 cm | 32 cm | 20 cm | 20 cm | 26 cm |
| 18-24M | 38 cm | 34 cm | 21 cm | 22 cm | 27 cm |
| Size | Waist Relaxed | Waist Stretched | Rise | Inseam | Leg Opening | Outseam |
|---|---|---|---|---|---|---|
| 0-3M | 20 cm | 32 cm | 18 cm | 16 cm | 10 cm | 34 cm |
| 3-6M | 22 cm | 34 cm | 20 cm | 18 cm | 11 cm | 38 cm |
| 6-9M | 24 cm | 36 cm | 22 cm | 20 cm | 12 cm | 42 cm |
| 9-12M | 26 cm | 38 cm | 24 cm | 22 cm | 13 cm | 46 cm |
| 12-18M | 28 cm | 40 cm | 26 cm | 24 cm | 14 cm | 50 cm |
| 18-24M | 30 cm | 42 cm | 28 cm | 26 cm | 15 cm | 54 cm |
| Size | Total Length | Chest Width | Foot Length | Inseam | Sleeve Length |
|---|---|---|---|---|---|
| 0-3M | 56 cm | 25 cm | 8 cm | 28 cm | 20 cm |
| 3-6M | 62 cm | 27 cm | 9 cm | 32 cm | 22 cm |
| 6-9M | 68 cm | 29 cm | 10 cm | 36 cm | 24 cm |
| 9-12M | 74 cm | 31 cm | 11 cm | 40 cm | 26 cm |
| 12-18M | 80 cm | 33 cm | 12 cm | 44 cm | 28 cm |
| Size | Body Length | Chest Width | Sleeve Length | Hood Depth |
|---|---|---|---|---|
| 6-12M | 35 cm | 30 cm | 24 cm | 20 cm |
| 12-18M | 38 cm | 32 cm | 26 cm | 22 cm |
| 18-24M | 41 cm | 34 cm | 28 cm | 24 cm |
| 2T | 44 cm | 36 cm | 30 cm | 26 cm |
| Size | Body Length | Chest Width | Sleeve Length | Hood Depth |
|---|---|---|---|---|
| 6-12M | 38 cm | 32 cm | 26 cm | 22 cm |
| 12-18M | 42 cm | 34 cm | 28 cm | 24 cm |
| 18-24M | 46 cm | 36 cm | 30 cm | 26 cm |
| 2T | 50 cm | 38 cm | 32 cm | 28 cm |
Measure around the fullest part of the chest, under the arms, keeping the tape level and snug but not tight.
Measure around the natural waistline, which is the narrowest part of the torso.
Measure from the highest point of the shoulder to the desired hem length.
Measure from the shoulder point to the wrist bone with arm slightly bent.
Obibi specializes in creating custom sizing solutions for unique requirements, including adaptive clothing for special needs, extended sizing ranges, and brand-specific size charts.
Specialized sizing and design features for children with physical disabilities or medical conditions:
Custom size ranges beyond standard charts:
Development of custom size charts aligned with your brand's fit philosophy:
| Obibi Size | US Size | EU Size | UK Size | AU Size | Height (cm) | Weight (kg) |
|---|---|---|---|---|---|---|
| Newborn | NB | 50 | First Size | 00000 | 45-56 | 3-6 |
| 0-3M | 0-3M | 56 | 0-3M | 0000 | 50-60 | 4-7 |
| 3-6M | 3-6M | 62 | 3-6M | 000 | 60-67 | 6-8 |
| 6-9M | 6-9M | 68 | 6-9M | 00 | 67-71 | 7-9 |
| 9-12M | 9-12M | 74 | 9-12M | 0 | 71-76 | 8-10 |
| 12-18M | 12-18M | 80 | 12-18M | 1 | 76-81 | 9-11 |
| 18-24M | 18-24M | 86 | 18-24M | 2 | 81-86 | 10-12 |
| 2T | 2T | 92 | 2-3Y | 3 | 86-91 | 11-14 |
Our technical team is ready to help you develop the perfect size chart for your brand. Contact us for personalized assistance with your sizing requirements.