Boat Box Magnum Sage – Umpqua Feather Merchant

The Umpqua Boat Box Magnum is built for guides, serious anglers, and anyone who refuses to leave a pattern behind. At 16.5" x 12" x 4.5", it's the largest box in the Boat Box series — maximum capacity, same field-proven design. Dual slotted foam interior lids keep your full arsenal organized and protected. The signature external slotted foam sheet gives you instant access to your go-to patterns without opening the box — critical when you're on the oars, managing clients, or mid-drift on a technical run. Fly placement guides make it easy to find slots at a glance, even in low light. Key Features Slotted foam on both interior lid panels (top & bottom) External slotted foam sheet for drying, staging, or quick access Fly placement guides molded into foam for easy slot identification Thick, durable foam construction built for repeated field use Sage colorway — clean, understated, and guide-ready Boat Box Series Dimensions Baby — 10" x 8" x 3" Ultimate — 13" x 10" x 3.5" Magnum — 16.5" x 12" x 4.5" Built by Umpqua Feather Merchant — trusted by guides and serious fly anglers for decades.