A staple for everything from mountain weekends to coastal camping—the Furnace Flannel Long Sleeve Fleece Shirt brings reliable mid-weight warmth in 240 GSM polyester flannel that feels soft and strong, in a regular fit that layers easy over tees or thermals. Front snaps, dual chest pockets, and an A/Div silicone badge keep it classic and functional. Featured here in the True Navy colorway. Features Fabric: 100% polyester woven flannel [240 g/m² | 7.1 oz/yd²] Product type: Men’s long sleeve woven flannel shirt Fit/dimensions: Regular fit; designed to layer over tees and thermals Branding: Silicone badge; ADIV collection branding Snap front closure Dual chest pockets Soft, insulated feel for cold mornings