Sturdy build for tough conditions
The Birkenstock Birko Insoles for men are 3/4-length cushioned arch supports designed for flat, low, or neutral arches. They feature a heel cup for shock absorption and cushioning, a contoured arch for proper foot alignment, and metatarsal support. Made from BirkoCork, a combination of cork and jute, with a latex foam inner core for softness and a leather-lined top cover for comfort. The insoles include raised side flanges for stability and an anti-slip coating for durability. They are hand washable and made in Germany.Soft interior for gentle contact