There's been a seismic shift in recent seasons when it comes to bags, from the rarity of them, to common adoption, and now the wearing of multiple. If you're seeking extra storage space, or indeed an accessorising opportunity, look no further than Prada's armband. Made from the label's signature hard-wearing nylon, it's fitted with silver hardware, a Saffiano leather-trimmed zip pull and the iconic triangular logo plaque.