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Nike's Vaporfly shoes are fine - but the sport's integrity is at stake if their next version is not banned
![World Athletics gives seal of approval for controversial Nike Vaporfly shoes | Athletics | The Guardian World Athletics gives seal of approval for controversial Nike Vaporfly shoes | Athletics | The Guardian](https://i.guim.co.uk/img/media/e0330d85e02744f2f3f5048839c4f4562f58fb45/0_0_3500_2100/master/3500.jpg?width=700&quality=85&auto=format&fit=max&s=0d9a974d2983dceb5cd2b09e7f2f3a9d)
World Athletics gives seal of approval for controversial Nike Vaporfly shoes | Athletics | The Guardian
![If you don't wear them, don't expect to be competitive': Irish distance runners have their say on the shoes debate - BBC Sport If you don't wear them, don't expect to be competitive': Irish distance runners have their say on the shoes debate - BBC Sport](https://ichef.bbci.co.uk/onesport/cps/624/cpsprodpb/B594/production/_113648464_stephendoha.jpg)
If you don't wear them, don't expect to be competitive': Irish distance runners have their say on the shoes debate - BBC Sport
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