Montbell Women's Thunder Pass Pants - GunmetalMontbells Thunder Pass range offers a very reasonably priced waterproof collection. The Thunder Pass Pants are designed for a deluge, utilising Montbells proprietary DRY TEC fabric, it has a soft handle and minimal crunch. Knee length zips allow them to be easily pulled over trousers, with articulated knees for active comfort and a Samue closure system at the hems, an ingenious elasticated adjustment system first thought up by Zen monks.