This is the 5/3mm Akona Scuba Quantum Stretch Hood with Bib and Face Seal Features: Blind stitched Double coverage vented top Flexible and comfortable Perfect layering piece Crafted from 5mm Quantum stretch neoprene, our vented hood features a combination of 3mm Quantum Stretch neoprene for the face seal, neck, and bib. Effortlessly wearable and removable, it ensures seamless donning and doffing experiences. Engineered with a durable #10YKK Delrin zipper, this hood embodies both ease of use and premium quality for your aquatic adventures.