Caloby via Vault offers the LifeProof nüüd Case for Apple iPhone 5 in Black/Smoke or White/Clear for $79.99. Coupon code "LIFEPROOF$20OFF" cuts it to $59.99. With free shipping, that's the lowest total price we could find by $11. It's designed to survive drops of up to 6.6 feet and is fully submersible up to 6.6 feet. It also claims to be dirt-proof, snow-proof, and shock-proof. Deal ends September 25.