Your LifeProof case is great. It keeps your iPhone 4 or 4S safe from water, dirt, drops, and anything else that life throws your way. When you put your LifeProof case in the Armband, taking your iPhone with you wherever you go and keeping your hands free has never been easier! When we say you can take it wherever you go, we mean WHEREVER you go. Whether you're going for a swim, hitting the slopes, trekking up a mountain or going for a run, the LifeProof iPhone 4 / 4S Armband / Swimband makes your phone your constant companion. Comprised of a lightweight materials and featuring a honeycomb design, the LifeProof armband will not put any pressure or strain on your arm. It is also adjustable to fit arms of all sizes, from 10" to 23" biceps. Made with accessibility in mind, the LifeProof Armband / Swimband lets you access all your phone's functions while you run / swim / hike / surf / bike.