bar mitts - Robuta Search

https://www.cyclingweekly.com/deals/bar-mitts-have-been-a-complete-game-changer-for-my-winter-riding-ad-theyre-on-sale-for-cyber-monday

They're not a fashion statement, but they'll keep you warm all winter long

https://www.bikehub.com/product/bar-mitts-road-pogies-376101-1.htm

Brand: Bar Mitts, Product: Road Pogies