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First Lite

Boundary Stormtight Pant

2.5-Layer Waterproof Construction
3.3 out of 5 Customer Rating
$225.00 USD
Size Chart
Color First Lite Fusion
In Stock & Ready to Ship

The First Lite Boundary Stormtight Pant is the weatherproof, lightweight shell component of the First Lite Layering Kit. Using patented 37.5 Technology and the industry's best DWR and lamination, we combined custom constructed fabrics made to First Lite's specifications to create the very best in foul weather pants. The result provides unsurpassed protection against the harshest conditions Mother Nature has to offer. This lightweight 2.5 layer pant features full-length zippers, reinforced knees and cuffs and suspender loops for use with your First Lite suspenders. Paired with either our Vapor or SEAK Jacket, you can feel confident that you will be dry and protected from the harshest conditions you will encounter while forgetting they're in your pack on the way out.

 An important note about sizing: Please be aware that the Boundary Stormtight pants are designed to be worn over your Obsidians or Corrugates, thus are a roomy fit.

Product Videos

Layering Position

  • Rainwear


  • True to Size: Purchase your normal size to wear over other layers
  • Exclusive 37.5 Active Particle Technology 
    • Exhausts moisture and maintains core body temperature 
    • Traps odors (human signature) and releases them when laundered
    • Our most lightweight, breathable, and packable foul weather system for high exertion backcountry hunts when weight and pack space are imperative.
    • Compact and extremely lightweight
    • Full-length zippers mean they can be pulled on and off over your boots, making them very easy and quick to take on and off--less than a minute!
    • Built-in stretch for complete range of motion
    • Pressure tested watertight zippers on all enclosures
    • Material: 2.5-Layer Rain Shell
    • Cut: Cut to Wear Over Your Kit
    • Actual Weight: 19oz.
    • Regions:
      • Alaska & British Columbia
      • Pacific Northwest
      • Southwest
      • Intermountain / Rockies
      • Midwest
      • Northeast
    • Temperatures:
      • Below 20F
      • 20F - 45F
      • 45F - 60F
      • 60F - 80F