E-VOLVE™ 2.2 - Aligns & targets pubic & sits bones for superior body support. - Reduces pressure points to minimize soft tissue, discomfort & damage. - Foam thickness: 1" or .60". - Foam hardness: Soft or Medium. - Dimensions: 9 x 7.24 x 1in (for 1") and 9 x 7.25 x .60in (for .60") - Rail system: Steel base. - Used for Triathlon, Racing, and Road.