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size guide
Welcome to the Nature Baby size guide
Clothing Size Chart
All babies come in different shapes and sizes and this is intended to be a guide only. While we do our best to ensure all our sizing is consistent, you may find that some styles will vary in size due to different fabric qualities.
Our size guide reflects the maximum measurements for each age.
| CLOTHING | WEIGHT (KG) | HEIGHT (CM) | CHEST (CM) | WAIST (CM) |
| prem | 3 | 50 | ||
| newborn | 4 | 56 | ||
| 0-3 months | 6 | 62 | ||
| 3-6 months | 8 | 68 | ||
| 6-12 months | 10 | 76 | ||
| 1 year | 12 | 84 | ||
| 2 year | 92 | 56 | 54 | |
| 3 year | 100 | 58 | 55 | |
| 4 year | 108 | 60 | 56 | |
| 5 year | 115 | 62 | 57 |
Accessories
All babies come in different shapes and sizes and this is intended to be a guide. While we do our best to ensure all our sizing is consistent, you may find that some styles will vary in size due to different fabric qualities.
All measurements are in centimeters.
| Knotted Beanies | Newborn | 0-6M | 6-12M |
| Circumference (cm) | 32-35 | 35-43 | 43-46 |
| Cotton Knit Beanies | Small | Medium | Large |
| Circumference (cm) | 37-43 | 43-46 | 48-53 |
| Merino Knit Beanies | 0-6M | 6-12M | 1-2Y | 3-4Y |
| Circumference (cm) | 35-43 | 43-46 | 46-53 | 50-53 |
| Sunhats | Small (0-6M) | Medium (6M-2Y) | Large (2-4Y) |
| Circumference (cm) | 37-43 | 43-48 | 48-53 |
| Cotton Socks | Newborn | 0-6M | 6-12M | 1-2Y | 3-4Y | 5-6Y |
| Sock Foot Length (cm) | 7 | 9 | 10 | 12 | 13 | 15.5 |
| Merino Socks | small | medium | large |
| Sock Foot Length (cm) | 9 | 12 | 14 |
| Cotton Tights | 0-6 months | 6-12 months | 1-2 years | 3-4 years |
| Waist (cm) | 33 | 37 | 38 | 39 |
| Length waist to toe (cm) | 38.5 | 45.5 | 55 | 61 |
| Foot Length (cm) | 9 | 10 | 12 | 13 |
| Drawstring Booties | 0-3M | 3-6M |
| Length (cm) | 8.5 | 10.5 |
Accessories
All babies come in different shapes and sizes and this is intended to be a guide. While we do our best to ensure all our sizing is consistent, you may find that some styles will vary in size.
All measurements are in centimeters.
| Knotted Beanies | Newborn | 0-6M | 6-12M |
| To Fit Circumference (cm) | 32-35 | 35-43 | 43-46 |
| Cotton Knit Beanies | Small | Medium | Large |
| Circumference (cm) | 37-43 | 43-48 | 48-53 |
| Merino Knit Beanies | 0-6M | 6-12M | 1-2Y | 3-4Y |
| Circumference (cm) | 35-43 | 43-46 | 46-50 | 50-53 |
| Sunhats | Small | Medium | Large |
| Age | 0-6 months | 6 months -2 years | 2-4 years |
| Circumference (cm) | 37-43 | 43-48 | 48-53 |
| Drawstring Booties | 0-3M | 3-6M |
| Length (cm) | 8.5 | 10.5 |
| Cotton Socks | Newborn | 0-6M | 6-12M | 1-2Y | 3-4Y | 5-6Y |
| Length (cm) | 7 | 9 | 10 | 12 | 13 | 15.5 |
| Merino Socks | Newborn | 0-6M | 6-12M |
| Length (cm) | 8.5 | 9 | 9.5 |
| Cotton Tights | 0-6M | 6-12M | 1-2Y | 3-4Y |
| Waist (cm) | 33 | 37 | 38 | 39 |
| Length (cm) | 38.5 | 45.5 | 55 | 61 |
| Foot Length (cm) | 9 | 10 | 12 | 13 |
Raincoat Size Chart
All children come in different shapes and sizes and this is intended to be a guide only. While we do our best to ensure all our sizing is consistent, you may find that some styles will vary in size.
Our size guide reflects the maximum measurements for each age.
| Raincoat Jackets | HEIGHT (CM) | CHEST (CM) |
| 1-2 years | 92 | 56 |
| 3-4 years | 108 | 60 |
| 5-6 years | 120 | 64 |
| Splash Overalls | HEIGHT (CM) | CHEST (CM) | GARMENT LENGTH CHEST TO HEM |
| 1-2 years | 92 | 56 | 66 |
| 3-4 years | 108 | 60 | 77.5 |
| 5-6 years | 120 | 64 | 86 |
Footwear Size Conversions
| Age (approximate) | US Size | AU/UK Size | EU Size |
| 0 - 3 months | 2 | 1 | 17 |
| 3 - 6 months | 3 | 2 | 19 |
| 6 - 9 months | 4 | 3 | 20 |
| 9 - 12 months | 5 | 4 | 21 |
| 12 months | 6 | 5 | 22 |
| 18 months | 7 | 6 | 23 |
| 24 months | 8 | 7 | 24 |
| 2 years | 9 | 8 | 25 |
| 3 years | 10 | 9 | 26 |
| 4 years | 11 | 10 | 27 |
| 5 years | 12 | 11 | 28 |
| 6 years | 13 | 12 | 29 |
Saltwater Sandals
Size chart and guide for the Original Saltwater Sandals. All measurements are of the sandal inner sole. Please contact customer service at hello@naturebaby.co.nz for further assistance.
| US Size | Insole Measurement (cm) | UK Size | EU Size |
| 4 | 13.8 | 3 | 19 |
| 5 | 14 | 4 | 20/21 |
| 6 | 15 | 5 | 22 |
| 7 | 16 | 6 | 23 |
| 8 | 16.5 | 7 | 24 |
| 9 | 17.5 | 8 | 25 |
| 10 | 18 | 9 | 26/27 |
Sleeping Bags
All babies come in different shapes and sizes and this is intended to be a guide only. While we do our best to ensure all our sizing is consistent, you may find that some styles will vary in size due to different fabric qualities.
All measurements given below are garment measurements. Our waffle sleeping bag is designed to have larger chest and length measurements to allow for shrinkage due to the nature of waffle fabric.
| Sleeping Bags | LENGTH (CM) | CHEST WIDTH (CM) |
| Cotton Sleeping Bag (0-24m) | 90 | 34 |
| Cotton Sleeping Bag (2y) | 110 | 34 |
| Cotton & Merino Sleeping Bag (0-24m) | 90 | 34 |
| Cotton & Merino Sleeping Bag (2y) | 110 | 31 |
| Quilted Duvet Sleeping Bag (0-24) | 90 | 34 |
| Waffle Sleeping Bag (0-24) | 100 | 37 |
Blankets & Wraps
Please use the following as a guide to help you decide which size to buy.
All measurements are in centimeters.
| Cotton Knit Blankets | Bassinet | Cot | Single Bed |
| Width | 90 | 100 | 130 |
| Length | 100 | 130 | 170 |
| Cotton Waffle Blankets | Bassinet | Cot |
| Width | 90 | 100 |
| Length | 110 | 145 |
| Merino Knit Blankets | Bassinet | Cot |
| Width | 80 | 100 |
| Length | 110 | 120 |
| Wraps | Cotton | Merino | Muslin |
| Width | 100 | 80 | 120 |
| Length | 100 | 80 | 120 |
Bed Linen
Please use the following as a guide to help you decide which size to buy.
All measurements are in centimeters.
| Duvet Covers | Cot | King Single | Pillowcase |
| Width | 180 | 180 | 47 |
| Length | 140 | 210 | 73 |
| Duvet Inners | Cot | King Single |
| Width | 100 | 180 |
| Length | 130 | 210 |
| Fitted Sheets | Bassinet | Cot | King Single |
| Width | 45 | 70 | 110 |
| Length | 85 | 130 | 206 |
| Depth | 14.5 | 19 | 40 |
| Flat Sheets | Bassinet | Cot | King Single |
| Width | 75 | 50 | 200 |
| Length | 100 | 160 | 266 |
| Cotton Knit Blankets | Bassinet | Cot | Single Bed |
| Width | 90 | 100 | 130 |
| Length | 100 | 130 | 170 |
| Cotton Waffle Blankets | Bassinet | Cot |
| Width | 90 | 100 |
| Length | 110 | 145 |
| Merino Knit Blankets | Bassinet | Cot |
| Width | 80 | 100 |
| Length | 110 | 120 |
| Play Mat | One Size |
| Width | 120 |
| Length | 120 |
Mattresses
| Mattresses | Length (cm) | Width (cm) | Depth (cm) |
| Moses Basket Mattress | 74 | 38 | 10 |
| Bassinet Mattress | 82 | 40 | 12 |
| US Cot Latex Mattress | 131 | 71 | 10 |
| Bassinet Mattress Protector | 90 | 50 | |
| Cot Mattress Protector | 120 | 75 |
Maternity Wear
Please use the following as a guide to help you decide which size to buy. All measurements are in centimeters. Our sizing is based on pre-pregnancy size, you should not have to size up from pre-pregnancy size. For example, if you wear a size small pre-pregnancy, you should shop for a size small, not a medium. In addition, you do not need to move up a size throughout pregnancy. Maternity clothes are intended to grow with the belly.
| Maternity Wear | Small | Medium | Large |
| Bust | 94 | 102 | 108 |
| Length | 71 | 75 | 79 |
Size Guide For Mum
International size conversions
| Size | Small | Medium | Large | XL |
| NZ/AU | 10 | 12 | 14 | 16 |
| US | 4-6 | 6-8 | 8-10 | 10-12 |
| UK | 10 | 12 | 14 | 16 |
| JP | 9 | 11 | 13 | 15 |
| FR | 38 | 40 | 42 | 44 |