Make the necessary adjustments to achieve a close fit: Once you obtain the right size for you, it will need to be adjusted to give a close fit. Body heat may also affect the fit, so wait a few minutes before making the final adjustments.
1. It should not catch on the saddle when the rider wearer is riding.
2. It should cover the whole circumference of the torso.
3. At the front the bottom edge should not be less then 25mm below the last rib, it should also reach the level of the pelvis.
4. The holes for the arms should be circular and as small as possible.
5. It should be comfortable to wear in all riding positions.
Alway stay safe and if you are new to riding, then please buy a body protector and never ride without a riding hat.