The NEW X4 Bike Liner shorts come with all kinds of enhanced features.

A chamois for added padding, new waist and leg grippers for comfort and stability and flexible and breathable mesh panels for ventilation and heat management.

Featuring SmartFlex: Flexible pads that harden upon impact to absorb force and then immediately return to flexible state.

• New fabric-covered SmartFlex pads provide a flexible, secure fit at the hips for added protection.


• Compression-fit baselayer offers a supportive and snug fit for optimal performance


• Breathable, 4-way stretch mesh panels at the inner thigh and crotch, with double-layer construction for added privacy and comfort


• Chamois provides additional cushioning and comfort during wear


• Gripper at interior leg hem ensures the baselayer stays in place during movement


• Waistband with red X4 gripper elastic for a secure and comfortable fit.


• Machine washable