During big Stonefly hatches trout can get very particular in what they ea. Over years of studying the flies that work and dont work, weve come up with one that we think youll enjoy. It offers a realistic silhouette, two tone bodies, fluttering wings with the right amount of flash, and flat rubber legs that swim back and forth like the real deal. Whether you prefer dead drifts, or twitching these bugs, we know youll appreciate the results.