Adidas dropped the Ultra Boost Uncaged ‘Metallic Silver’ in February of 2017 to push the running game miles forward. The sneaker features a two-tone Grey Primeknit upper and a metallic silver Boost midsole. The pair is finished off nicely with a sock-like collar, black heel counters, silver branding and a Grey Continental rubber outsole. Grab a pair now from Solezilla.