Designed as part of the Aqua Lock System this Henderson 3mm Aqua Lock Quick-Dry Hood utilize the same construction techniques employed by all Aqua Lock Wetsuits. Every seam on the hoods are first double glued and blind stitched inside and out. Then the outer seam is coated with a special waterproof Aqua Lock liquid tape barrier which seals the seam from water entry and helps protect the stitching from damage and unraveling. The interior of the Aqua Lock hood is lined with Henderson's new Quick-Dry interior.