Maximum Protection: Reassurance of the highest European and BETA level 3 protection. Certified to BS EN13158:2009. Lightweight, developed using the latest technology & slim line design. Breathable: Air is channelled through the vest by the continual flex of independent sections, dispersing body heat outwards. Flexibility: protection that is designed to work with you. Comfort and freedom via the flex of independently hinged section and slim line design.