Equestrian Safety Vest - Horse Riding Safety Vest Level 3-Purple label Maybe the best fitting and most comfortable safety vests available. Safety first is the new standard. Some organizations and disciplines already require protective vests. The protection for the Level 3 or Purple sewn on label is considered appropriate for normal horse riding, competitions and for working horses. Prevent minor bruising that would have produced stiffness and pain. Reduce significant soft tissue injuries to the level of bruising. The Supraflex riders safety vest meets the BSI, British Standards Institute for safety. IS09001:2008 and EN13158:2009. We have available Adult and Child's sizes, Black or Navy Level 3 (purple label) is considered appropriate for general riding, competitions including eventing and working with horses. Level 3 body protectors should prevent minor bruising that would have produced stiffness and pain, reduce soft tissue injuries and prevent a limited number of rib fractures.