Altra Rivera 2 Running Shoe - Women's alien tool while an all-new micro-waffle tread

while an all-new micro-waffle tread and Sick-Stick™ rubber offer maximum grip

As a backup

KMC's Double X durability

Tested and proven breathable

3C MaxxTerra

Altra Rivera 2 Running Shoe - Women's alien tool while an all-new micro-waffle treadThe FootShape you love with a slightly snugger fit. The Rivera is ready for all your road running needs, from training blocks to that weekly long run and everything in between. The soft responsiveness of an Altra EGO midsole pairs with the light and breathable engineered mesh upper, and the Neutral InnerFlex is creased to help provide flexibility, so you can be one with the road. FEATURES FOOTSHAPE Our signature FootShape comfort gives your feet more