Thor SENTRY Vest Protector. Level 1 back protector constructed to reduce impact energy transmission. Lightly padded collar for comfort. Reinforced and articulated back panels. Ventilated chest panel. Sleeveless micro-mesh chassis with external seams. Perforated padded panels for increased ventilation. Strategically placed tension straps for secure fit. Locking YKK® zippers for secure fit. Removable/adjustable ventilated waist belt. Waist belt coated with silicone grip tape for secure fit. Tested and certified according to European Standard EN 14021:2003 and EN 1621-2:2014.