Estone Cycle Bike Bicycle Soft Memory Foam Comfort Pad Cushion For Saddle Seat Cover About memory foam: provides maximum comfort, soft curve reduces pressure and guarantees maximum comfort & soft. Even memory foam distribution for front-to-back cushion Material: high quality memory foam Comfortable, ideal for long distance riding! Anti-slip, ripping undercover stays on seat, more safety. Compatible with on-road, off-road, mountain bikes and etc.