Altra Women's Lone Peak 9+ *sock mens IKO® CORE comes with the

IKO® CORE comes with the CORE rechargeable battery but also works with three AAA/LR03 batteries (not included)

New ergonomic shoulder design for more comfort on body

Reinforcement fabric inside ankles

Soles: ISO9 523

Great for moderately technical trail but can still get you up and down some of the heavy tech terrain

Altra Women's Lone Peak 9+ *sock mens IKO® CORE comes with the### Altra Says ### A legendary shoe, now with a legendary Vibram Megagrip outsole for fierce grip. We turned up the traction so you can take on legendary adventures. A revised midsole foam is designed to deliver a comfortable connection to the ground. No sew overlays and a ripstop mesh upper are made for high mileage durability. Get that classic Altra feel with zero drop and our roomiest toe box, with plenty of room to help your toes move more freely,