Mustang Survival Sentinel Series Dry Suit LinerFEATURES Designed with a combination Polartec classic 200 fleece and Polartec Power Stretch fleece, this dry suit liner provides extra insulation protection when in cold water and also helps reduce the thermal burden out of the water. The wicking fabric and thread move excess moisture away from the body to evaporate and diffuse through the outer layers of the dry suit. drop_seat version: MSL601 GS Polartec Power Stretch 4 way stretch with a durable,