Experience warmth at will and on the go. Katla Ws Puffer Vest provides instant warmth at your convenience, without the need for bulky clothes or several layers. At a push of the logo button at the front of the garment, an electrical heating system activates to wrap your upper body in a warm embrace.The Katla Puffer Vest is an ideal outdoor companion in cold weather - or when you need to take a break and keep warm between training sessions. Close-to-body fit and low weight allows for maximum comfort and freedom of movement.This vest features warm padding as well as the incorporated electrical heating system, which is powered by a portable power bank of your choice. The settings allow you to choose between three levels of heat: low (45° C.), medium (50° C.), or high (55° C.).The vest is lined with Welltex®fabric, giving it an additional advantage: the effect of reflected infrared energy, in this case, harnessed from both body heat and the heat produced by the electrical heating system