Women's BOCO AT 3

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Born in Boulder, Colorado, the BOCO AT 3 brings you a piece of the Colorado Mountains wherever your run takes you. The light and level 3mm drop, and multi-directional lugs, will keep you rocking out on even the rockiest of trails. While the landscape may change, the familiar Newton feeling remains the same. Rain, snow and hail are no match for the durable all-weather upper, which might we add is more breathable now! It's time to take your Newtons over the river and through the woods.

Product Details

  • Item number • W005217
  • Weight • 8.7
  • Platform •
  • Heel-to-toe drop • 3mm
  • EMB • No


Upper is lightweight, enclosed, and water-resistant for the perfect balance between breathability and durability.
Closed-mesh upper and gusseted tongue block out dirt and debris.
No stitch, heat welded overlays.
Durable rubber toe bumper protects toes from impact on rocks, roots and other trail hazards.
Reflective heel tab.


Four-lug Action/Reaction™ Technology in the forefoot for a responsive, resilient ride
Multi-directional lugs to provide optimal grip on uneven terrain


Biomechanical metatarsal sensor plate
Soft, single-density EVA midsole provides optimal cushioning and comfort
ETC anti-friction, anti-bacterial sockliner
Accommodates most orthotics

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4 Customer Reviews

Best winter shoe
I bought the BOCO at II while it was on sale. They are comfortable right out of the box, sturdy and have great traction. It's the best winter shoe I've ever worn, my feet stay warm and dry. It truly stands up to Canadian weather. I will never go back to a different winter running shoe.
February 6, 2018
I don't normally write reviews but these are the best trail shoe I've purchased and they are so great that I find I'm wearing them for all outdoor activities. I will purchase another pair soon.
February 4, 2018
Best ever
Best winter running shoe I’ve ever worn. I’m tempted to by several in case they eventually stop making them!
February 2, 2018
Great out of the box
I took these shoes for their break-in run yesterday. I did a snowy 10k. No rubs, no tight spots, just happy feet. These shoes feel pretty flat on the pavement, but for snow, trail etc, they are great (so far!). The laces seem to come undone pretty often, despite double knots, but that's pretty small stuff.
January 1, 2018