Syclon XP 30 Parts 2nd Power Shift Screw

2nd Power Shift Screw

Chimney Venting™ system

The Mammoth Lakes

ensuring you get more of this critical nutrient delivered to where it’s needed most—your brain

Embossed Castelli wordmark logos

Syclon XP 30 Parts 2nd Power Shift ScrewEvery gram of the Syclon XP has been carefully considered, shaving weight wherever possible to create an ultralight pack for minimalist hikers. Weighing in at under 800g, its also fully waterproof and tested to IPX4, which further reduces weight by eliminating the need for dry bags or a rain cover. The body contouring, ventilated AEROFIT carry system allows plenty of airflow to your back and provides a seamless fit, keeping you comfortable and your