2018 Altima sedan: S, SL, SR, SV. 2013-2015 Altima sedan : Base, S, SV. 2016 Altima sedan: Base, S, SR, SV. 2017 Altima sedan: Base, S, SL, SR, SV. Surface material made of high quality faux leather which is soft, durable and waterproof,The middle part use high rebound sponge,create top resilience for maximum comfort during your drive.