Blue Seven Size Guide
Finding the Right Size
Blue Seven sizes are based on height in centimetres alongside an approximate age.
Measure your child's height to help find the most suitable size below.
💡 Quick Sizing Tip
Age is provided as a guide. If you're unsure between sizes, use your child's height to find the closest Blue Seven size.
Age is provided as a guide. If you're unsure between sizes, use your child's height to find the closest Blue Seven size.
Newborn / Mini Kids
56cm to 92cm
56cm
1–2 months
62cm
3–6 months
68cm
6–9 months
74cm
9–12 months
80cm
12–18 months
86cm
18–24 months
92cm
36 months
Kids
3 to 9 years
98cm
3 years
104cm
4 years
110cm
5 years
116cm
6 years
122cm
7 years
128cm
8 years
134cm
9 years
Teens
9 to 16 years
134cm
9 years
140cm
10 years
146cm
11 years
152cm
12 years
158cm
13 years
164cm
14 years
176cm
16 years