HECS Aquatic Dive Skin - Camo - Xlarge 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: Contoured multi-panel design for superior fit and comfort, 4-way stretch for comfort and flexibility, unisex fit. CONSTRUCTION: Lightweight - ideal for traveling, non-chafing, itch resistant fabric, SPF 50+ for extra sun protection. INCLUDES: 1 mm full suit, hood, gloves, and socks.