Topo Athletic Atmos 2 Trailrunning Shoes - Women's Aqua / Mint 12. The updated 40 x 35 mm platform features our ZipFoam midsole for increased rebound offering a plush energetic ride. Our new outsole delivers increased traction slip resistance and reduced weight. Meanwhile the recycled upper provides a comfortable secure and breathable fit with added visual interest. Our OrthoLite Performance insole offers a soft step-in feel. Specifications for Topo Athletic Atmos 2 Trailrunning Shoes - Women's: Manufacturer: Topo Athletic Footwear Type: Shoes Midsole Material: Zipfoam Package Contents: Topo Athletic Atmos 2 Trailrunning Shoes - Women's Topo Athletic W091-120-AQUMNT: Atmos 2 Trailrunning Shoes - Women's Aqua / Mint 12