a simple and lightweight solution to improve comfort
can be inserted in any harness with the zip on the back
a tube with a Velcro to be fixed to the shoulder belt of the harness , allows to adjust the pressure even in flight
can be used together or in substitution to the standard protection
no can insulate better than air, which does not weigh anything
contains up to 2 liters, but to offer the best vibration isolation should be pumped up about half
weight 110 grams
PVC very resistant to drilling