You want the ‘wings’ to hug your ribs nicely.
As a rule of thumb Large is for large body people, Medium is for medium bodied people and small is for petite adults and children.
If you have any doubts take a tape measure and drape it around your torso(under the breasts) and around the back.
Large size is for chest to back measurements ranging from 35.5” to 45”
Medium size is for chest to back measurements ranging from 30.5” to 35.5”
Small size is for chest to back measurements ranging from 25” to 30.5”
Certainly. We have designed it specifically so as not to create back fatigue
The Astralign is great for any seating situation – couch, sitting up in bed etc. Just use it without clicking the buckle.
Certainly. It will train them to think of sitting up straight.
No. In the car a child must be 8 years or older to use it.
Remove the foam insert and wash the cover in cold water, gentle cycle. Hang dry.