DUI drysuits keep you dry. DUI DiveWear underneath keeps you warm. What you need to be comfortable depends on not only the temperature of the water, but your activity level and your personal metabolic rate.  ActionWear Stretch Fleece Plus 5 Vest is made with double layer stretch fleece and is great for layering.  Adds approximately 5 degrees of additional thermal protection.  Color is black.  Available in unisex sizes XSmall thru 2XLarge.

Refer to DUI accessories size chart for proper sizing.