Umpqua UPG Foam WP Walkabout Nymph Large – Spruce
For serious nymph anglers, success isn’t just about having the right flies—it’s about having enough of the fly. As Umpqua’s highest-capacity fly box, the Ultimate Nymph Box is your trusted river companion. With four versatile inserts, Powergrip Foam for unmatched fly retention, and an IPX6.5-rated waterproof shell with a secure latch closure, this box ensures you’re never without solutions when it matters most.
When you’re putting all your eggs in one basket, you deserve the confidence that comes with the Ultimate Nymph Box.
| Specifications |
|---|
| Holds 1076 flies |
| Designed for the nymph angler |
| Two Magnetic Swing Leaves with double-sided Essential Foam |
| Waterproof (IPX 6.5) – Can be submerged up to 1M |
| Secure Latch Closure for added durability |
| FlyTrap™ Foam |
| Angled entry |
FAQ
What is the maximum number of flies this box can hold?
The box can hold up to 1076 flies.
Is the box waterproof and how deep can it be submerged?
Yes, the box is waterproof with an IPX6.5 rating and can be submerged up to 1 meter.
Does the box have any special features for fly retention?
Yes, it features Powergrip Foam and FlyTrap™ Foam for unmatched fly retention.




Karen Alsop –
This box has been a game-changer for my nymph fishing trips. The capacity is impressive and the foam keeps flies securely in place even when the boat is moving. I’ve used it in rain and even submerged it briefly in a stream—no water damage. The angled entry makes loading easy and the magnetic leaves stay in place well.
Keith Butler –
I’ve tried several fly boxes, but this one stands out. The 1076-fly capacity is perfect for long days on the river. The waterproof design gives me peace of mind in wet conditions. The secure latch keeps it closed during transport and the foam inserts are durable and easy to organize.
Wanda Hardacre –
Solid build and reliable performance. The foam retention is excellent, and I appreciate the magnetic swing leaves. It’s a bit heavy, but worth it for the capacity. I’ve used it in both calm and flowing water without any issues.