Men's jumper from John Smedley. John Smedley Black And Silver Stripe 'Tobius' Jumper is a key basic piece for your wardrobe. 'Tobius' features black and silver horizontal fine multi-stripe pattern with a contrasting black crew neck, ribbed hem and cuffs. Made from merino wool with raglan shoulders, wear this knit on its own or over a basic Ralph Lauren t-shirt. Team it with a pair of Hugo Boss Black jeans with Original Penguin boots for a smart-casual weekend style.