muscu for 2 years I would not change it for anything! I have purchased a pair for I have lost, after 2 years of use (3 times per week) no signs of wear ... silicone reinforcement at the palm of the hand allows me to do feel anything. tightening the wrist to the perfect level to lift heavy. And all for an almost equivalent price to that found in a basic version (without silicone and tightening wrist)