eForCity Adjustable Armband Sports Case for iPhone 3GS 16GB/32GB and AT&T, Sprint, Version iPhone 4S - 16GB 32GB 64GB - Black Exercise your right to a great soundtrack with this ultimate workout duo: an iPhone?SportBand with Case. This durable, lightweight armband case keeps your iPhone?secure and protected. Unique design allows easy access to all functions without having to remove the skin. Multiple layers of padding offer the best in protection. Accessory only.