For those of you who own the HTC EVO 4G Smart Phone Otterbox has the Impact and Commuter Series. The Otterbox Impact and Commuter Series are both designed to protect your HTC EVO 4G but do it a little different than each other. The Impact Series is a slide in silicone shell and the Commuter Series has both a silicone and hard shell. Whether you choose the Impact or Commuter will depend on the amount of protection you seek to defend your EVO from drops and dings.
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