Questions and Answers for LavaCore by Oceanic Trilaminate Polytherm Front-Zip Dive Wetsuit:
What is mm of this wetsuit?
Bob (Certified Scuba Instructor at Scuba.com)
Typically items with a MM rating are neoprene based items, where as trilaminate and articles rated with an "ounce" rating are fabric based in their construction. This suit has a warmth equivalent of a 3mm neoprene suit.