Environmentally friendly ecoprene material that is rubber free, flexible, lightweight, breathable and quick-dry Vest interior constructed of eco-friendly 100% PVC-free Gaia foam AIRFLOW SYSTEM: Interior EVA molding that keeps the life jackets surface away from the skin LUMBAR COMFORT ZONE: Extra foam padding to minimize the pressure on your lower back while bolstering support MESH PANEL: Drain away excess water for quick drying and thermal regulated comfort Soft and light PFD with an ultra-durable ecoprene outer shell and new Refraction design. Shell: 100% Polyester. Insulation: 100% Gaia Foam.