Thunder Pass Jacket Men's Montbell Europe Thunder Pass Full Zip Pants Men's Montbell America Thunder Pass Pants Men's Montbell America Montbell Outsiders Store Outsiders Store UK. 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.