Engulfed in Matthew M Williams’ signature jet-black hue, this Nike NRG AW84 cap promises to endure the rigors of high-intensity training, thanks to an innovative, quick-drying nylon shell. An exemplar of the technical team’s penchant for practicality, it’s fitted with a mesh roll-down neck for unrivalled ventilation and a removable strap, too, for added support. Elsewhere, perforated panels provide moisture-wicking properties, while buckles and concealed zips — an ode to Williams’ industrial inspired 1017 ALYX 9SM — are easily adjusted according to weather.