Rock Solid

May 5, 2011
Outside Magazine

With special silicone tips that hold securely to the ear, Bose's IE2 headphones stayed locked in even on the roughest singletrack. The sound quality? Full-bodied and booming. But be careful near roadways: the surround-sound experience is almost too impressive. $100;

Got an iPhone? Plug in the Wahoo Fitness Fisica Sensor Key ($80; to connect to almost any ANT+ device. Then download the Digifit Full Functionality app ($15;, which, in addition to tracking heart rate and power, syncs with a host of other devices, like Withings's Wi-Fi scale.