Size Guide

size guide

choosing the right size FOR YOUR CHILD

Slumbersac baby and children sleeping bags are available in six sizes, ranging from newborn babies right up to ten-year-old children!

When choosing a size, remember that your child should be able to kick and wriggle freely in the sleeping bag. Ideally babies' feet should be at 3/4 of the sleeping bag, leaving the bottom quarter of the sleeping bag 'empty'.

LENGTH & WEIGHT of child

newborn

Length:
19 - 22 in / 48 - 56 cm
Weight:
4.5 - 10 lbs / 2 - 4.5 kg

0 to 6 month

Length:
22 - 27 in / 56 - 68 cm
Weight:
9 - 18 lbs / 4 - 8 kg

6 to 18 month

Length:
27 - 35 in / 68 -89 cm
Weight:
18 - 29 lbs / 8.1 - 13 kg

18 to 36 month

Length:
30 - 40 in / 76 - 101 cm
Weight:
22 - 40 lbs / 10 - 18 kg

3 to 6 years

Length:
40 - 46 in / 101 - 116 cm

6 to 10 years

Length:
46 - 55 in / 116 - 140cm

Standard sleeping bags

This is how we measure our sleeping bags.
Our sleeping bags come in six sizes, from newborn to 10 years!
NEWBORN

A = 16cmB = 23cmC = 36cm D = 56cm E = 18cm

0-6 MONTHS

A = 23cmB = 30cmC = 46cmD = 70cmE = 23cm

6-18 MONTHS

A = 26cmB = 34cmC = 54cmD = 90cmE = 30cm

18-36 MONTHS

A = 29cmB = 38cmC = 56cmD = 110cmE = 38cm

3-6 YEARS

A = 31cm B = 42cmC = 70cmD = 130cmE = 44cm

6-10 YEARS

A = 33cmB = 46cmC = 70cmD = 150cmE = 52cm

This size can be shortened so it 'grows' with the child and delivers great value for money as it lasts longer!

Sleeping bags with feet

Size 70cm:

  • Use for children aged 6-12 months, if feet are put into the sleeping bag for sleeping (body size of child approx. 60cm-70 cm) 
  • Use for children aged 12-18 months, if feet stay outside (body size of child approx. 70cm-80cm)

Size 80cm:

  • Use for children aged 12-18 months, when feet are put into the sleeping bag for sleeping (body size of child approx. 70cm-80 cm) 
  • Use for children aged 18-24 months, when feet stay outside (body size of child 80cm-90 cm)

Size 90cm:

  • Use for children aged 18-24 months, when feet are put into the sleeping bag for sleeping (body size of child approx. 80cm-90cm) 
  • Use for children aged 24-36 months, when feet stay outside (body size of child approx. 90cm-100cm)

Size 100cm:

  • Use for children aged 24-36 months, when feet are put into the sleeping bag for sleeping (body size of child approx. 90cm-100cm) 
  • Use for children aged 3-4 years, when feet stay outside (body size of child approx. 100cm-110cm)

Size 110cm:

  • Use for children aged 3-4 years if feet are put into the sleeping bag for sleeping (body size of child approx. 100cm-110cm) 
  • Use for children aged 5-6 years if feet stay outside (body size of child approx. 110cm-120cm)

Size 120cm:

  • Use for children aged 5-6 years if feet are put into the sleeping bag for sleeping (body size of child approx. 110cm-120cm) 
  • Use for children aged 7-8 years if feet stay outside (body size of child approx. 120cm-130cm)

Size 130cm:

  • Use for children aged 7-8 years, when feet are put into the sleeping bag for sleeping (body size of child approx. 120cm-130cm)
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