The sides are made of 3DF impact foam

There is a 30PSI gauge so you can dial in the low pressures and a regular 75PSI gauge for regular mountain bike treads

To work out what size you need:

130cm max wheelbase (can be adjusted to 124cm to fit previous year model bike bags)

iXS Carve EVO + Knee Pads - XL - Grey Back in Stock The sides are made ofThe Carve Evo+ knee pads are designed for hard use. The Xmatter padding provides a high level of impact protection and the lack of hard plastic keeps them light and comfortable. Perfect for your next Enduro, backcountry adventure or DH race. Features: Exchangeable foam protection AeroMeshTM, light, moisture wicking, breathable, anti bacterial, added structural strength, high level of comfort Loop lock closing system Silicon stopper to keep them in