Gel is a semi-solid material and depending on its structure could be soft or extremely hard. Gels are mostly liquid, but they don’t flow when in steady state. Yet they act like solids due to a three-dimensional cross-linked network within the liquid. It is made from either synthetic or natural elements bonding with water or vegetable oil. These qualities allow gel to compress, stretch, absorb energy and come to original shape thus being a great medium for motion absorption and pressure relief.