These are by far the best headphones I?ve ever heard. Performs well, no skips, stutters, etc. Also the Tube Clamp Brackets hole a hole drilled which is 3/8" diameter. T - The sound quality changed IMMEDIATELY - Now I am trying to find out if more of these tips are available, as I know I will need them eventually. Great sandals that hold the foot. Poles are particularly useful in water crossings when trying to maintain balance while rock hopping or walking across a fallen tree. Alexis tried on two different models of the sperry topsider line, size 8. (The dark coloured phone is the right ear. Cons: Only average music quality (too crisp and "tinny" sounding, with lack of bass for my taste). Wore them once.