MD-180 68%POLY+32%SP 210G/M2
ME-701 87%POLY+13%SP 290G/M2
Back zipper with easy access rope,There is no binding against the skin, giving excellent reliability and very low resistance when swimming.
The back pocket is designed to carry energy glue, etc
its silicone rubber wrists on the leg that do not tighten or leave any friction during exercise.