Biltwell Pacific Flannel Shirt The lightweight Biltwell Pacific Flannel Shirt is durable without being heavy. Hidden snaps keep the collar from flapping in the wind when you're cruising along the highway. Black pearl snaps keep it classy and functional. Features Lightweight, 4.85 oz 100 Cotton Embroidered Biltwell interior label Hidden collar snaps Black pearl snaps on cuffs and top collar Custom engraved synthetic bone buttons