Shooting jackets serve sport shooters to stand quieter at first and thus keep the sports equipment calmer. But also the support of the back, since in the sporty rifle shooting in the standing stroke, a very stressful position for the back must be taken.
A shooting jacket can therefore also serve to beautify / relieve the back to prevent intervertebral disc damage.
Despite all this, however, it is very advisable and recommended that sports shooters regularly and sufficiently complete strengthening gymnastics for the abdomen, back and trunk!!