Contour Design has introduced its new Bolt Armband for the fourth-generation iPod nano. Made from a flexible, breathable lycra and spandex fabric, the Bolt features a sweat-resistant back, a reflective design, an anti-static screen guard, an adjustable strap, velcro closure, and compatibility with the Nike+iPod Sport Kit. It will sell for $30. In addition, the company is set to release its reCharge combination home and car charger. First shown at…