Wapsi – Antron Yarn – Durable synthetic yarn for realistic fly bodies and wings. Wapsi Antron Yarn is a versatile fly-tying material known for its sparkle, translucency, and strength. Its unique trilobal fibers reflect light beautifully, adding lifelike sheen and depth to nymphs, dry flies, and wet fly patterns. Perfect for tying trailing shucks, spinner wings, and realistic bodies, this yarn is easy to work with and resists matting even after multiple fish. Available in a wide range of colours, it allows tiers to match hatches precisely or build bold attractor patterns. Durable, effective, and proven on the water, Wapsi Antron Yarn is a must-have for any tying bench. Shop online or visit Drift Outfitters in Toronto for expert advice and fast shipping across Canada