There’s a very functional and technical winter riding jacket (aptly named the Kona Winter Jacket). It’s windproof and waterproof and features a trail fit created for MTB riding.
The jacket packs a lot of of punches: Welded seams, a stash pocket on the chest, and two side front zip pockets as well as an adjustable hood, cuff straps, reflective logos and cinch cord at hem. You can purchase the jacket right here.
There is also this very cool Mid Layer Shirt, it features raglan sleeves with a ¾ asymmetric zipper and a balaclava style hood.
There’s also a drop tail hem with rubber grip and three pocket construction with elastic opening and zippered stash pocket as well as breathable mesh underarms and reflective details for extra visibility. You can purchase the Kona Mid Layer Shirt here.