The zipper allows shorts to form-fit on the bike and loosen off the bike. They also have optional side leg ventilation, with an adjustable Velcro closure on the lower leg.
Constructed out of 4-way stretch knit fabric.
Mesh sides for increased airflow.
Advanced absorption chamois technology.
Plush, elastic waistband for superior comfort.
Gripper elastic in leg openings.
Bottom Line, Best Bike Shorts I've ever owned. -Mitch, Denver, CO