Blundstone Men's Comfort Arch Footbed Flat 100% N/A Imported Synthetic sole The blundstone comfort arch footbed features xrd inserts in the heel and forepart to absorb 90% of the impact upon it Soft and cushioning, the premium footbed provides unmatched comfort and shock absorption Odor, fungus and bacteria resistant Breathable and washable This footbed also includes a large pad of poron xrd under the ball of the foot with an airflow and moisture wicking system