Jobe Women's Progress FS Semi Flex 3.0/2.5 Wetsuit Fullsuit Combination between standard neoprene and flex neoprene Mesh panels on the outside of the suit are water-repellent and therefore provided added warmth A comfortable flat stitch construction that is soft to the skin and super strong Soft and comfortable "Glide skin" prevents water from coming in and out The knee panels are covered with a 3D rubber pad