Mc in a sack Synergy quilted jacket - the insulation / quilted jacket for all those who want to be warm when out and about. The Synergy Thermolite is a warm insulation jacket for all year round. The Thermolite fibre filling is a high-quality synthetic insulation that keeps you warm and is easy to care for. The outer material is coated so that the jacket is water-repellent (600mm). The high-quality YKK zips on the front and side pockets are also coated and water-repellent. The discreet reflectors at the front and back help you to be seen in the dark. This quilted jacket is ideal for walking, hiking, biking, ski touring, snowshoeing and when you are simply out and about and want to stay warm. When the jacket is not in use, it can simply be stowed away in a bag of the same colour.