Chromag squarewave gripschromag have designed the squarewave grip with performance and comfort as their paramount goals the gentle bulge fits nicely in the cup of the hand to promote long ride comfort while the progressive tread is softest where it meets the outer edges of the hand and coarsest under the meat of the palm for a balance of compliance and control over longer rides they are made with a special formulated compound that combines a soft 25a durometer rubber and a proprietary additive