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A daily trainer earns its keep in the details that don’t show up in a single run but matter over hundreds of them. The Cloudswift 4 rebuilds its predecessor’s cage construction for a more secure, better-ventilated fit, and swaps in a nylon-blend Speedboard for a smoother, more efficient toe-off across whatever mileage the week demands.
What’s new on the Cloudswift 4? The Cloudswift 4 updates its cage construction and moves to a nylon-blend Speedboard for a smoother ride than earlier Cloudswift versions.
