Its a all round barrier by having the:

1. Wider front - keeps the pad securely in place to prevent leakage.

2. Narrow Middle - to fit comfortably between your thighs, keeping in place.

3. Uniquely designed \"split rear\" at the back - for a close fit to your backs.

Its also a deep flow channel by:

1. Quickly Channel Wetness - into the pad and prevent fluid from flowing back to the surface.

2. It act as fold lines - which allow folding at strategic points, thus keeping the pad intact with your body at all times.