We're sorry, the item you're looking for has been discontinued.

The Klim Aggressor 2.0 Pants has been discontinued and will not be returning.

Replacement Suggestion Base Layers

Save $13.00 (20%)

Out of Stock Online Only!


Klim Aggressor 2.0 Pants

Klim’s mid-weight base layer piece is engineered with mechanical fabric construction in main body for aggressive uptake of moisture from the skin and rapid transport to the fabric’s outer surface. The Aggressor 2.0 Pant utilizes Thermal Mapping technology with Level 1 fabric in high-heat producing zones and those prone to bunching such as the crotch and lower back.


  • Mechanical fabric construction accelerates moisture transfer from skin to mid-layers/outerwear
  • Thermal Mapping technology incorporates Level 1 fabric in high heat and mobility zones
  • Smooth surface for bunch-free fit under fleeces and outerwear
  • Low-profile flat-lock seams
  • Enhances breathability and comfort of Klim outerwear systems
  • Available online only, not available in stores
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Product Style Item # Manufacturer Product # Availability
Black / SM 1013403 3200000120000 Out of Stock
Black / MD 1013405 3200000130000 Out of Stock
Grey / SM 1013404 3200000120600 Out of Stock