320 Gram Merino Fleece In The Chest And Traditional Merino Lining In The Back And Sides To Provide Unprecedented Warmth In The Core - Bi-laminate Merino Lined Material Under The Arms Is 100% Breathable To Prevent Overheating When Out Of Water - Removable Shoulder Closure Allows To Attach V-skin Collar, V-skin Merino Hood Or 5mm Merino Hood - Technical Fleece In The Arms And Legs Allows The Warm Water Created By The Core To Easily Transfer Around The Suit - Thumb And Heel Loops Keep Suit In Place When Donning But Also Allow Warm Water To Circulate Through Gloves And Boots Keeping Your Extremities Warm - Chest Overprint Improves Water Runoff And Wind Resistance In The Front - Merino Lining Increases Warmth Without Increasing Bulk Or Buoyancy - Merino Promotes Quick Drying To Help Reduce Odors - Color: Black - Mens Sizes: Small Through 4xlarge, King 1, King 2 - Womens Sizes: Xsmall Through Xlarge - Full Manufacturers Warranty