Altra Women's Lone Peak 9+ GTX Size:7.5 0 upper is designed to

0 upper is designed to improve breathability and comfort

Rearfoot-focused Active Foot Frame™

This is the light version without membrane

with a stretchy and soft Merino-blend fleece on the inside

Altra Women's Lone Peak 9+ GTX Size:7.5 0 upper is designed toIts got a seriously grippy Vibram outsole with a waterproof GORE TEX upper, so you can tackle legendary adventures no matter the forecast. The lightweight, breathable, and waterproof performance of a GORE TEX Invisible Fit upper combines with soft rolled mesh for comfort and durability. A Vibram Megagrip outsole gives you confident traction on wet or dry surfaces with rugged longevity. Feel a slightly cushioned connection to the ground with an Altra