Materials 3.5mm and 7.5/5.5mm Hybrid eco-friendly Performance Neoprene Dye camouflage on Ultra-Stretch Poly Lycra Laminate Jade Titanium Dioxide Internal Coating Tropicam Jacket Details Hooded jacket 7mm chest loading pad on exterior of suit Preformed arms for ultimate fit/comfort Glue-reinforced stitching on elbows Emergency Whistle with integrated pocket Protective screens on chestpad, elbows and seat area Double magnetic closure clips on beavertail Smoothskin seals around face and wrists Tropicam trouser details 3.5mm variation has 4" or 10cm Superskin seal around the waist 7.5/5.5mm hybrid variation features a farmer John with adjustable shoulder straps Smoothskin seals around ankles Protective screen on knees