La Sportiva FC 3.2 GTX Boot - Women's Leather The La Sportiva Women's FC 3.2 GTX Boot is made with a durable and flexible nubuck and synthetic leather uppers These uppers provide lasting wear and breathability. The recycled nylon mesh panels add flex and breathable comfort. Flex Control design puts flexible materials in key spots to increase ease of movement and transfer energy so your muscles don't have to work as hard throughout your stride. Gore-Tex membranes are seam sealed and breathable to keep feet dry and comfortable. The nylon and recycled nylon linings help transport sweat away from feet, keeping them dry and comfortable. The La Sportiva Women's FC 3.2 Gore-tex Boot's dual-density EVA midsoles offer light weight, lasting cushioning and shock absorption on rough trails. These midsoles contain 15% recycled EVA.