Here I recommend one from aHappyDeal Company, a professional company focus on this kind of product.
Brief Introduction of Stylish Reticular Sports Armband Pouch Case Arm Strap Holder for iPhone 4 4S - Blue
Main Feature: - Unique design for iPhone 4S 4
- High quality assurance
- Keep your phone secure and protected when running or exercising without missing any favorite tunes
- Adjustable velcro armband for all arm sizes
- Give you a variety of ways to carry
- Made of high quality material & construction: thick and durable for high impact work outs!
- Protects your phone from bumps and scratches
- Available Colors:Black,Gray,Blue,Pink,Purple,Red
- Specification: - Package Weight:47g
- Package Size:14.5*13*3cm
- Package: - 1 × Armband
... [Full description on aHappyDeal]
Supplied by aHappyDeal, Click Here to find the latest price.