Our Sach foot is in technopolymer and resists moisture better than the classic way this low activity model is created with a titanium pyramid already attached. Since no bolt is needed, this model weighs less than traditional SACH feet with a separate pyramid attachment. Available in a unisex, lifelike, water-resistant cosmesis, the SACH Foot with Titanium Pyramid offers a lightweight composite heel, flexible toe belting with three toe resistancesand ensures stability.