FEATURES: Graded Sizing(TM) creates a better, more appropriate fit for a wider range of users Mesh-back design offers increased clearance for tall seat backs Molded EVA pockets act as fold-down work surfaces Multiple mounting points for nippers, retractors, hemostats, etc. Cross-chest cinch harness for zero ride-up Neoprene padded back lower waistband Mesh shoulders & back for maximum ventilation 3M(TM) reflective on front and back 8points of adjustment for a secure and personalized fit Extra soft buoyancy foam Harmonized (US Coast Guard & Transport Canada) approval