• 21-vent configuration for optimal airflow and top-of-the-head ventilation • LiteForm™ webbing for enhanced comfort and performance • Internal Structural Shell (ISS) for strength at a reduced weight • Giant CINCH+™ fit system for simple and easy head-hugging comfort • Proprietary TransTextura PLUS™ anti-microbial fast-wicking pad technology • MIPS Storlekar: S 51-55 cm, M 55-59 cm, L 59-63 cm