Pin on Products Pin on Products Knuckles Support ShadowLine Edition Flannel Pin on Products About. The Knuckles Support ShadowLine Edition Flannel brings that perfect blend of grit and style rugged enough for the ride, clean enough for the afterparty. With its bold design and classic feel, its made for riders who like their gear to say something without trying too hard. Perfect for casual days, late nights, and every stop in between, this flannel delivers comfort, edge, and pure Kustom Kulture attitude. Made for: riders, rebels, and anyone who wears their lifestyle loud. Product features 60% Cotton 40% Polyester fabric for a soft and luxurious feel 2 Button placket with black buttons on each sleeve Full button front for easy wear Double layer back yoke for structure and fit Heavyweight fabric with tear away and sewn in labels Care instructions Machine wash: cold (max 30C or 90F) Do not bleach Tumble dry: low heat Iron, steam or dry: low heat Do not dryclean