Cushion molded in viscoelastic memory foam that favours the immersion of the body in the material to increase the contact points and thus reduce the maximum pressure values. Integrated sacrococcygeal relief for greater prevention of the risk of ischial and sacrococcygeal pressure ulcers. External rotator to ensure proper alignment of the lower extremities Cushion tilt to reduce the risk of forward sliding Removable, elastic and breathable protective cover for thermoregulation during prolonged sitting Anti-slip bottom cover base to ensure good support of the cushion on the seat.