The Killspencer Track Bike Messenger ($450) is made of original wax black filter twill, also available in green, Desert Sand and brown. Along with the handsome appeal, the Track Bike features a UFAC Class 1 flame retardant, waterproof, nylon lining, 3 cobra quick release buckles, shoulder strap with stabilizer tabler buckle, durable metal hardware and an array of pockets to keep your gear organized.