A thermoplastic polyurethane is obtainable via reaction of the following components A, B, C, and, if appropriate, D and E (e) at least one aliphatic, organic diisocyanate, as component A, (f) at least one compound which is reactive toward component A and which has a weight-average molar mass of from 500 to 10 000 g/mol, as component B, (g) a mixture composed of alkanediols as chain extenders, comprising from 60 to 85 mol % of 1,6-hexanediol as main chain extender C1 and from 15 to 40 mol % of 1,3-propanediol as co-chain extender C2, as component C, (h) at least one catalyst, as component D, (i) conventional additives as component E.