Women's Altra Mont Blanc Boa Color:Maroon Bells Use the 120 decibel fold-out

Use the 120 decibel fold-out safety whistle to alert other runners—and bears (oh my

The OOmg shoe features revolutionary OOfoam™ technology that absorbs 37% more impact than traditional footwear foam materials to reduce the stress on your feet and joints

If you don’t need so much support

Designed to be coupled with any hydrations

Women's Altra Mont Blanc Boa Color:Maroon Bells Use the 120 decibel fold-outDescription: Dial in your perfect fit with the Mont Blanc BOA ultimate long distance trail running shoe. All the same Mont Blanc features you know and love with a dual dial BOA Fit System, which allows for micro adjustments when youre on the run. Two distinct adjustment zones give you a truly personalized fit. Tackle your toughest long distance trail miles but keep them comfortable with Altra's Standard FootShape Fit and Altra EGO MAX midsole foam.