Size 16 - Ht: 5’9 to 5’11 - 170lbs to 190lbs 3/2 mm wetsuit thickness indicates 3 mm thick neoprene in the legs and 2 mm thick neoprene in the arms Neoprene at body and legs with HyperStretch 3.0 at arms and front low legs FreeMax superstretch neoprene for great performance and durability StretchFlight 2 neoprene for increased warmth and comfort without sacrificing flexibility Limestone-derived eco-friendly neoprene made from scrap rubber tires Thermal Smoothie technology on chest and back is superflexible and wind- and water-repellent to help keep you warm Mock neck with Hydrowrap adjustable neck closure for a watertight seal Back-zip entry with YKK #10 plastic zipper Supratex knee pads are durable, lightweight and flexible Flatlock stitched seams that are locked but not sealed Water-based glue used for lamination