 | Studio Gym Bag. The Björn Borg Studio Gym Bag is a stylish sports bag made from durable 100% recycled polyester. It has an adjustable shoulder strap and two large hand straps for easy carrying, a zippered pocket inside for your valuables, and a zipper over the main compartment. * Recycled material * Adjustable shoulder strap * Two large hand straps * Zippered pocket inside * Zipper over main compartment... - Studio Gym Bag. |