Region-matched · Season-curated
The right fly,
right now,
right where you fish.
Hand-selected hatch boxes tied for the rivers and seasons you actually fish — delivered when the fish are rising.
Featured Fly Patterns
Current boxes
Find your hatch kit
California · Eastern Sierra Nevada
Eastern Sierras Box
High-country patterns for wild trout in the Eastern Sierra's iconic freestone streams, alpine lakes, and tailwaters from Crowley to the Owens River.
Oregon & Washington · Pacific Northwest
Pacific Northwest Box
Caddis, stoneflies, and PMD patterns for the Deschutes, McKenzie, and Yakima — rivers that define the Northwest fly fishing experience.
Montana & Wyoming · Greater Yellowstone
Yellowstone Country Box
Salmonflies, hoppers, and PMDs for the Madison, Gallatin, Snake, and Green rivers — the undisputed heart of American fly fishing.
Florida · Keys & Saltwater Flats
Florida Flats Box
Sight-fishing patterns for the crystal flats of the Florida Keys — Clouser Minnows, Crab flies, and Shrimp patterns tuned to what's tailing right now.
How it works
From the hatch to your fly box
We track what's hatching where, select the right dozen flies for that moment, and ship them to your door before the fish stop looking up.
Choose your water
Pick from over 30 iconic U.S. trout fisheries — from the Yellowstone to the Deschutes, the Delaware to the San Juan.
We match the hatch
Our fly tiers and hatch experts select 12 patterns timed to what's actually emerging on your river, right now.
Fish with confidence
Open your box on the water knowing every fly was chosen for this exact place, season, and moment.
Our commitment
Tied with care for the water we love
Every Hatch Box uses natural and synthetic materials sourced without harm, packaged in compostable materials, and shipped carbon-neutral. The river gives us everything — we give back.
Nonprofit partners
Trout Unlimited
America's oldest coldwater conservation organization, protecting trout and salmon habitat across the country.
Conservation partnerAmerican Rivers
Defending wild rivers, restoring damaged ones, and protecting communities from the threat of floods and droughts.
River restorationNative Fish Society
Protecting and restoring wild native fish populations through advocacy, education, and hands-on restoration.
Native species