The Isofranes are lovely straps but ridiculously expensive for a piece of polyurethane. Check out Bonetto Cinturini. According to one of the micro brand owners (he sells his watches on Isofrane, so he knows) they are made by the same company as Isofrane from exactly the same compound. The slight diffference in feel between BC and Iso straps is entirely down to the thickness of the rubber and the locations, dimensions, and number of holes cut into the strap. My last BC cost me something like US$25, compared to US$100+ for an Iso!
