Altra Rivera 2 Running Shoe - Women's alien tool slip on the mesh and

slip on the mesh and closed-cell foam seat

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

CUSTOMIZABLE FIN CONFIGURATION - The G10 Tri-fin setup can be run in a thruster

Tested and proven breathable

Altra Rivera 2 Running Shoe - Women's alien tool slip on the mesh andThe 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