Body Glove Men's 4/3mm Legends Back-Zip Full Body Wetsuit, 3X-Large Neoprene Made in the USA and Imported Should fit snug, but not too tight MATERIALS: 100-Percent Eco-Flex throughout, the purest form of non toxic stretch material on the planet; Environmentally friendly non-petroleum Bio-Stretch rubber; Thermo fiber chest and lumbar; Organic water based ink CONSTRUCTION: Updated pattern for added comfort and streamlined aesthetic; Environmentally conscious construction; Vapor lock seams with 100-Percent exterior Fluid Seal; Anatomically cut; Unfinished collar, wrist and ankle cuffs Interior Floodgate Right arm exterior zip key pocket Nano Tritec kneepads, Short Zip back entry