evo.com | Roark Button-Downs > Roark's most technical flannel, the Roark Diablo Flannel pairs ultra-soft stretch polyester with a DWR coating that brushes off drizzle. Mesh-lined back shoulder gussets breathe when you're moving, and snap pockets keep the essentials secure. Classic Fit Snap Entry and Pockets 59% Recycled Polyester / 38% Polyester / 3% Elastane Durable Water Repellent Treatment Back Shoulder Gusset with Mesh Lining | Roark Diablo Men's 2026 - Medium Brown | Elastane/Polyester