The Kamik Boy's TY 3 in 1 Systems with Down Liner Jacket has a quilted micro down inner jacket with a 600 fill rating that when zipped together with the outer shell keeps your boy warm in all weather conditions allowing him to step outside freely.When worn separately, the down jacket is a great 3 season piece that offers comfort and flexibility in style. Your young man will get more use out of the 3 in 1 winter systems jacket by wearing it all year around! Kamik Apparel is committed to keeping the environment clean so allKamik outerwear is constructed PVC free. The combined components of the wind resistant shell fabric and DWR (durable weather resistant coating) on the outside and a down insulation and seam sealing on the inside creates the perfect weather proof system call Dri Defence. This system keeps your outdoor enthusiast warm and dry during their amazing winter adventures. Designed in Canada to the highest standards, ensuring consistent quality, comfort and durability.Kamik has spent more than a century helping families embrace winter.