Spirit River UV2 Goose Biot is a high-quality, flexible material perfect for adding lifelike segmentation and texture to your fly patterns. The UV2 technology enhances visibility, making these biots highly effective in both bright and low-light conditions. Ideal for tying nymphs, streamers, and dry flies, these goose biots are easy to work with and provide a natural, durable finish. Available in various colors, they are an essential material for every fly tier.