La Sportiva Ultra Raptor Mountain Running Shoe - Women's fabric-and-synthetic ALL AROUND TRAIL SHOE combines comfort, traction, fit and protection to make this a great shoe on fire roads, steep climbs, long hikes, backcountry races, trail runs and across rugged rocky terrain HIGHLY BREATHABLE AirMesh fabrics keep your feet cool on hot days, control moisture and prevent blisters in the heat of summer during long distance trail runs while keeping the shoe ultralight MEDIUM FIT makes for enhanced comfort and a sure footed stable trail shoe; 8mm heel-to-toe drop in this neutral runner provides a smooth foot strike VIBRAM SOLES WITH HIGH GRIP TREAD provides high traction and stability without sore feet or blisters and high durability with a limited break in period; tough reinforced toe protects against sharp rocks ANKLE SUPPORT from reinforced heel cup provides stability backcountry trail runners and ultralight backpackers need for high mileage days on rugged and rocky trails.