Tested: Santi Kango Undersuit Full Review – Warmth, Comfort & DurabilitySanti know a thing or two about thermal protection, and boast an array of undersuits in their range. This selection has now been expanded with the new Santi Kango undersuit. Frequently Asked QuestionsWhat is the Santi Kango undersuit made from? Is the Santi Kango undersuit comfortable to dive in? How do you care for the Kango undersuit?