The Evolution Undergarment is designed for harsh climates. It keeps a diver warm in extremely cold waters, and protects the diver from wind and mist above the surface, yet is soft enough on the inside to be worn against bare skin. Ideal for use in waters from 37°F to 55°F. 
Outer rip-stop nylon shell stops wind 
Center 100g/m2 layer of Thinsulate™ provides warmth and wicks moisture away from the diver 
Internal 250g/m2 layer of technical fleece adds additional warmth and is extremely soft and comfortable 
Neoprene ankle and wrist cuffs allow easy drysuit donning and keeps moisture from insulation 
Arm vents allow perspiration to escape 
Neoprene crotch panel adds to flexibility of the suit 
Two-way convenience main zipper 
Zippered breast pocket 
Two fleece lined side pockets 
Comfortable ribbed collar 
Can be worn with any drysuit 
Machine washable 
Tog rating (measure of insulation value) of 3.5