Best Seller | RIO Basic Trout Fly Assortment SKU - 401247 The RIO Basic Trout Fly Assortment includes seven of the most popular and important flies for the trout angler. Rio selected three dry flies representing a mayfly, a stonefly/hopper and a caddis, one soft hackle to imitate an emerging mayfly or caddis,... ... more RIO Basic Trout Fly Assortment SKU - 401247 The RIO Basic Trout Fly Assortment includes seven of the most popular and important flies for the trout angler. Rio selected three dry flies representing a mayfly, a stonefly/hopper and a caddis, one soft hackle to imitate an emerging mayfly or caddis,... | | $14.99 go to store |