Griffin Survivor in Mossy Oak Camo for iPod Touch (5th gen.), Obsession/Black - Ridiculously Over-Engineered? Or The Perfect case no Matter Where You're Headed? We Think It's a The best-selling iPod touch case* Integral Display shield deflects wind and rain (Test: up to 200 mm/hr for 1 hour) Rigid internal frame protects against shocks and drops (Test: drop on flat concrete surface from 6'/1.8 m) Sealed ports block blown sand and dust (up to 18 m/sec for 1 hour) Silicone cladding blocks vibration (18 hrs at 20 to 2000 Hz)