Discretely designed in 4.8 mm of ThinLine material, connected by a breathable, flexible mesh spine band. Thus, creating better wither and gullet clearance while keeping the shock-absorbing support right where its needed. The ThinLine material is 95% shock-absorbing, non-slip, and made of open-cell technology for 100% breathability. Intentionally created for well-fitting saddles, as they are not shimmable. 73.7 cm spine length, 34.3 front drop, 29.2 cm rear drop. Provides maximum shock absorption without altering saddle fit or rider feel Breathable, flexible mesh spine provides wither and gullet clearance Open-cell technology provides 100% breathability 95% shock absorbency Non-slip