Fractel Visor running bottle pocket fabric is durable and Tailwind pocket fabric is durable and quick dryingBuilt In LinerComfortable brief linerLight and Minimal Elastic WaistbandLight and minimal elastic waistband with good power and recovery The red lighting option on the Actik will allow you to get up in the middle of the night for a toilet break or midnight snack without blinding your fellow trekkers while keeping your vision intact this lightweight and timeless design is sure to satisfy the needs of any runner Engineered to keep you cool and comfortable with built in SWIFTdry™ sweatband and breathable fabric