Vibram FiveFingers Men's KSO Trek Hiking Shoe Rubber Rubber sole UPPER - Kangaroo Leather SOLE- 4mm EVA Midsole & TC-1 Rubber FOOTBED- Kangaroo Leather Machine washable. Air dry away from sun or heat source Weight: Men's size 42 -5.7 oz. each, 11.4 oz. a pair. You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!