Big Y Brand Flies

The Kaufmann Stonefly Nymph is one of the most trusted and effective stonefly imitations ever created. Designed by legendary tier Randall Kaufmann,...

Name of the fly says it all... It's Big... It's Ugly... And it's a stone. Should fish well in any rivers stones are present, but especially well i...

Crystal Midge (Glass Bead) Midges catch trout 12 months out of the year — and when the fishing gets tough, they’re often the only thing trout are t...

A great caddis pattern to fish from late summer through late fall. Great smaller sized pattern for those october caddis hatches. 

Invented by Pat Dorsey on the South Platte River to entice finicky fish. This pattern has caught on for its productiveness and versatility. Midges...

DescriptionThe Red Quill Dry Fly is a classic mayfly imitation designed to match early-season hatches, particularly during spring. With its...

This prince variation drives the trout wild. Lots of color, contrasts, and those white wings, that fish can't get enough of. A must have for the T...

The Parachute Adams fly is one of the stables that almost every fly fisherman has in their fly box. The pattern imitates an abundance of insects ...

Adams Wulff one of the variations of this classic design. Like all Wulff patterns, it is high floating, durable and easy to see for angler and fi...

This very versatile pattern is a great spring creek pattern.  Also very popular in slack water and pools. Great emerger and spent wing spinner pat...

Fluorescent post makes these great indicator patterns when fishing fast water or low light. Excellent for fishing dropper combo.  Nice bright p...

Contrast is often the name of the game in the fly fishing world as fish respond to it quite well. The Pinky Midge is an excellent example of that...

Hopper's show up everywhere in the summer and in many places last a good long time. Fish know a tasty, nutritious treat when they see one.  Strike...

A classic nymph, peacock thorax, slender pheasant tail body. The wire rib presents a nice segmented look, in addition to adding flash and durabili...

An extremely buggy pheasant tail that is a proven favorite. Buggy in all the right places. Fish in a dead drift or on the swing, either are proven...

A variation on a hare's ear, designed for the competition angler. Tied on a 45 degree jig hook with a slotted tungsten bead gets the pattern down ...

The Rusty Spinner Biot is a low-profile, high-confidence pattern designed to match spent mayflies—one of the most vulnerable stages in a hatch. Bui...

Steelhead have an affinity for stones, beginning as a juvenile. These have a shiny body, and great rubber leg action. Also useful for trout. ...