Most Functional: G-Form X-Protect for iPhone ($39.99)
G-Form’s flexible case hardens upon impact, absorbing 90% of the shock, then immediately returns to its malleable state. Two different pieces, meant to be used together, make up the X-Protect, and allow protection that can withstand an 82-mph slapshot. Extra padding around the iPhone’s four corners—its most common impact points—makes the case practical for day-to-day use, and a soft inner lining keeps the case from scratching your phone (an aspect many case makers often ignore). Make sure to pick up a screen protector, since the X-Protect’s only form of frontal defense comes from a raised lip that lines the top of your phone.