Stella McCartney's grey Pureboost X TR 3.0 trainers are host to a number of premium technological details – a standout pieces from the label's collaboration with Adidas. They're crafted from breathable knitted and mesh panels with a chunky white rubber Boost midsole and lace-up front – note the vibrant orange accents and coordinating heel tab – then finished with an internal free-floating arch for responsive support. Pair them with fluorescent performance separates for a morning run.