Mountain hardware active insulation?

[Oregonhuntrboi]

Mountain Hardwear Kor Alloy Crew Sweatshirt - Men's - Clothing

Buy the Mountain Hardwear Kor Alloy Crew Sweatshirt - Men's online or shop all Clothing from Backcountry.com.

www.backcountry.com

Has anyone ran this for an active insulation layer? Seems intriguing.