First Watch HBV-100 High Buoyancy Rescue Vest - Hi-Vis Yellow - Medium to XL [HBV-100-HV-M-XL]HBV 100 High Buoyancy Rescue Vest Hi Vis Yellow Medium to XL The HBV 100 high buoyancy rescue vest has been designed and tested to safely carry the gear SAR professionals need to execute their duties. Made with neoprene collar and mesh backing, this fully functional vest combines reliability with all day comfort. Features: Wearable with body armour USCG Buoyancy tested up to 25 lbs of gear worn on the vest 3D circular design insures optimum fit MOLLE