Akona"s 2mm nylon ll neoprene Beanie Hood is perfect for warm water diving activities. The comfortable fit and sizing keeps your head warm and gives UV protection. Beanie Hood helps keep long hair away from you mask seal and away from your face. All edges are finished with black nylon binding and seams are glued and stitched for added strength and durability. Adjustable Velcro chin strap makes for a custom fit. Beanie Hood comes in 4 sizes from Small to X-Large and is covered by Akona"s 24 month limited warranty.