686 Diamond Thermal - Women's: The Diamond Tech Fleece is a full zip hoody that is Smarty compatible. These full zips are so versatile with the 100 grams poly fill insulation quilted to the front and back of the body. The sleeves are made of a micro fleece. Whether you use as a layer or wear as a lightweight jacket year round, the Diamond Fleece from 686 is going to keep you stoked.