Thunder Pass Jacket Men's Montbell America Thunder Pass Jacket Women's Montbell America Montbell Men's Thunder Pass Jacket Black Thunder Pass Jacket Men's Montbell America Thunder Pass Full Zip Pants Men's Montbell America. An all year round workhorse, the Thunder Pass is a very reasonably priced waterproof, and one that doesn't lack for features either. Using Montbell's proprietary DRY TEC fabric, it has a soft handle and minimal crunch. A resilient fully seam taped 3 layer jacket that packs into its own stuff sack.