These Airsol green, unisex insoles are made of open-cell foam. They fit sizes 7 to 8.5 for men and 9 to 10.5 for women. The compression-resistance insoles have round toes, moulded heels, and arch support. They measure 8½ length x 4 width x ½ inches thickness and prevent fatigue, foot odour, foot pain, leg pain, and lower back pain.