Ultra-durable ecoprene outer shell. Combination of PVC and polyethylene foam inserts. Comfortable fit. YKKl front zipper. Segmentations at front and back for better comfort and ease of movement. Side panels in stretch lining fabric for improved comfort. Armholes cut large for riding comfort. Loop at back neck to attach your goggles to your vest. D-ring for key lanyard. 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. Coast Guard approved.