3mm Neoprene hood provides head protection for cold water activities. Exclusive XSpan, a 250% 4 way super stretch neoprene, allows this hood to be very soft and extremely comfortable. Glued and blind stitched seams are waterproof, provide durability and will not chafe. A flow vent located on the top of the hood helps to minimize ballooning. The bib is constructed of a 2mm XSpan neoprene, allowing for easy movement. Comfortable, anatomically correct and constructed with the finest techniques and materials make this hood a critical garment for your cold water activities. Exclusive XSPAN material 250% 4 way super stretch neoprene material Waterproof glued and blind stitched seams provide durability without chafing Hood mounted flow vent minimizes ballooning Trimable skin material face seal 3mm hood2mm bib provide the perfect balance between protection and comfort.