【CUSTOMIZABLE FIT】The face seal can be DIY trimmed to precisely match unique facial contours, offer you a comfortable diving experience. Sarhlio diving hoods is made with 3mm neoprene (bib is made with 2mm neoprene) can lock body temperature and prevent heat dissipation in cold water,offers all-day warm.Freely contracted to provides a more comfortable space and flexible fit. 【MATERIAL & WORKMANSHIP】Sarhlio wetsuit hood made with 90% premium CR Neoprene+ 10% Nylon Fabric, 150% high stretch and excellent recovery give you a flexible, soft and comfortable fit, its integrated air vent allows bubbles to escape through the top of the hood without promoting water exchange,double blind stitched for superior strength and durability with less water absorbs, don't worry about ripped.Sarhlio scuba diving hoods will be a long term partner for you. 【SIZE】Please choose the size according to your head circumference and reference to our size chart at the photos to ensure a great fit. Both available use for men and women. However, if you encounter any size issues at all, just let us know for replacement or hassle free refund services from Sarhlio. 【PERFECT PROTECTION】UV protection and 3mm thicknesses neoprene will protect your head from hurt by sea lice, jellies, coral...etc, also keep warm while underwater. A large bib provides ample overlap with wet-suits for additional warmth and to prevent water from seeping down the neck,you can enjoy water sports freely. 【WIDE USAGE】Slip-on design,double blind stitched for superior strength and durability, this neoprene hood can be used for sun-resistant, bind hair and moisturize etc, wonderful for most marine submarine water sports, like diving, snorkeling, swimming, scuba diving and so on. The diving suit with hood also can work for abalone diving and oyster diving. It is durable and flexible for all weather conditions.