These are the most comfortable sandals and can be Unisex.These are technically men's but definitely can be worn as Unisex.MSRP $128Size US Men's 7 ( US Womens 9) New in box (box is slightly damaged from storage)Excellent support and traction make these ideal for travel.Uppers: leatherFootbed: EVAOutsole: Durable RubberOur innovative podiatrist-designed Orthaheel Technology provides superior orthotic support, relief and stability which helps realign the feet back to their natural positionResearch supports Orthaheel Technology's success in reducing over-pronation, which can help relieve associated common aches and pains, such as heel pain (plantar fasciitis), knee pain and lower back painContoured footbed for addictive support. Orthaheel technology helps promote alignment from the ground up#10