In-mold construction.14 ventilation holes.Rear ventilation holes for optimal airflow.Mesh in the ventilation holes protects against insects.Adjustable straps for a perfect and comfortable fit.TwistClose clamping system is easy to adjust with one hand.Antibacterial linings that can be washed.Elegant label removal system for versatile use on MTB and on the roadReflective stickers on the back.