![IAAF steps up investigation into fears over springs in Nike running shoes | Athletics | The Guardian IAAF steps up investigation into fears over springs in Nike running shoes | Athletics | The Guardian](https://i.guim.co.uk/img/media/278bf5db6b5a9f9ccb47f686bc3a94c9e7c9495b/326_192_1100_660/master/1100.jpg?width=1200&height=900&quality=85&auto=format&fit=crop&s=41bcaaf0ab1aa79734de7bacb28d84a3)
IAAF steps up investigation into fears over springs in Nike running shoes | Athletics | The Guardian
![Nike Performance POL M NK ACDPR ANTHM JKT K - Squadra nazionale - white/sport red/bianco - Zalando.it Nike Performance POL M NK ACDPR ANTHM JKT K - Squadra nazionale - white/sport red/bianco - Zalando.it](https://img01.ztat.net/article/spp-media-p1/eda8b134bcc54722bd691eec063a5400/c45eb520863e4ae7b25ca2c39bb98532.jpg?imwidth=762)
Nike Performance POL M NK ACDPR ANTHM JKT K - Squadra nazionale - white/sport red/bianco - Zalando.it
![Nike Performance NIGERIA TRAVEL PANT - Squadra nazionale - obsidian/pine green/white/blu scuro - Zalando.it Nike Performance NIGERIA TRAVEL PANT - Squadra nazionale - obsidian/pine green/white/blu scuro - Zalando.it](https://img01.ztat.net/article/spp-media-p1/0a6d228ec380444a90b633bdc6937dc6/8ab61affb71d470db44f09d5343b39bf.jpg?imwidth=762&filter=packshot)
Nike Performance NIGERIA TRAVEL PANT - Squadra nazionale - obsidian/pine green/white/blu scuro - Zalando.it
![An Exclusive, Behind-the-Scenes Look at How Nike Is Trying to Break the 2-Hour Marathon Barrier | Runner's World An Exclusive, Behind-the-Scenes Look at How Nike Is Trying to Break the 2-Hour Marathon Barrier | Runner's World](https://hips.hearstapps.com/hmg-prod/images/1076/nike-collage-1506733681.jpg?resize=980:*)
An Exclusive, Behind-the-Scenes Look at How Nike Is Trying to Break the 2-Hour Marathon Barrier | Runner's World
![NIKE : Air Force 1 High Supreme World Famous Red - Taglia US 9.5 EUR 43 - Asta Sneakerhead: la prima asta di sneakers in Italia - Associazione Nazionale - Case d'Asta italiane NIKE : Air Force 1 High Supreme World Famous Red - Taglia US 9.5 EUR 43 - Asta Sneakerhead: la prima asta di sneakers in Italia - Associazione Nazionale - Case d'Asta italiane](https://www.anca-aste.it/photos/auctions/orig/1025/57.jpg)
NIKE : Air Force 1 High Supreme World Famous Red - Taglia US 9.5 EUR 43 - Asta Sneakerhead: la prima asta di sneakers in Italia - Associazione Nazionale - Case d'Asta italiane
![Nike Performance NIGERIA TRAVEL PANT - Squadra nazionale - obsidian/pine green/white/blu scuro - Zalando.it Nike Performance NIGERIA TRAVEL PANT - Squadra nazionale - obsidian/pine green/white/blu scuro - Zalando.it](https://img01.ztat.net/article/spp-media-p1/7aa86738c31c4122affbd8d58f814304/0627e75474de464f8bde5656758a6929.jpg?imwidth=1800)