HECS Aquatic Neoprene 3mm Full Wetsuit Black (X-Large 5) HECS Stealthscreen reduces the electrical signal emitted by the human body and is made of conductive carbon fibers, uniquely formed to block the faint electric signal emitted by humans. So you can get closer to marine life. SUPERIOR DESIGN: Reduces emissions of the human EM signal. Designed for divers, spear fishers, marine life researchers and photographers FIT: 4-way stretch for comfort and flexibility and unisex fit CONSTRUCTION: Highest quality Yamamoto neoprene, glued and blind stitch seams, elbow and knee pads to avoid abrasion of outer fabric on wear related areas and front chest loading pad INCLUDES: Farmer john, top with attached hood, gloves, and socks