Discover the Alpha. The Alpha will keep you secure while leaving you free to flow through your environment effortlessly. The Alpha features a 10.5mm Vibram® sole, Perfect for those new to minimal footwear or looking to go the extra mile. Weight: 4.4 oz (single sandal, men's 9 / women's 11) Thickness: 9mm outsole + 1.5mm footbed = 10.5mm Sole: Vibram® Morflex Outsole (Globally Sourced) Footbed: Earth Grip (Moisture-wicking Canvas, GOTS (Organic) Certified Small Batch Dye) Have worn maybe 3x, in great used condition. Ship from non-smoking, dog friendly home. Please ask any questions in the comments before purchasing.