Simms Tributary Vest - BistreRetaining its lightweight and breathable design, the updated Simms classic mesh Tributary Vest now offers even greater value and functionality. Experience the innovation in our new model, featuring an improved pocket structure, polyester mesh exterior back panel and a new retractor docking station. Feature Poly mesh main body construction for breathability and faster drying times Durable nylon woven ripstop textile pockets and back panel allow you to