The Vibram Five Fingers V Alpha Female slippers are ideal for your outdoor workouts and on slippery surfaces as you will have total protection from your feet but you ll have a sensory perception of the ground. The Vibram Megagrip outsole will offer you a great grip on dry and humid terrain, maintaining a high level of durability. They have a 2 mm foam template for more comfort. Wool upper Material, synthetic, which offers breathability and prevents odor.