The holder is in the front of the waist pack, so it won't get in the way of your arms swinging. this running pack can be adjusted from 76 to 115 cm in length (30-45 Inches) and is flexible thanks to the 2-way zip design. There is a small compartment in the main kangaroo pouch that is perfect for credit cards, ID, keys, phone, money, running accessories, etc. Featuring an exclusive opening for headphone wires