the roho hybrid elite seat cushion combines the superb skin protection and shape matching ability of roho dry floatation with the stability of jay base technology. the new cushion design allows for improved pelvic alignment and stability for improved position and function while maintaining optimal immersion and envelopment of both the ischial tuberosities and greater trochanters. the roho shape fitting cushion provides critical pressure redistribution around the pelvis area providing you with superior skin protection that roho is known for; simply adjust the cushion to fit the clients shape in order to minimize tissue deformation and maximize blood flow.