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Treehouse Air Jacket by Helite - Childs Size Chart

General Size Guide:



Size Weight Requirements
Small   4 Stone minimum.
Uses Child canister.
Medium  4 Stone minimum.
Uses Child canister.
Large  6 Stone minimum.
Uses Adult canister.






  • Sizing relates to the length of your spine, the air jacket should fit half way down your pelvis area to ensure hip protection when the Air Jacket is inflated.
  • It is important that there is enough room for the Air Jacket to inflate. As a guide, there should be a space the width of a clenched fist between the Air Jackket and the body (or body protector) of the person wearing it.

                     Remember to adjust the Air Jacket as required.

  • The straps have velcro on each side to allow for greater adjustability.
  • It is advisable for the child to have been fitted in person in order to gauge the correct size jacket. 

Sizes of products may vary between manufacturers and even between different designs by the same manufacturer. The size charts should be used as a general guide.