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

The Klim Aggressor 1.0 Briefs has been discontinued and will not be returning.

Replacement Suggestion Base Layers

Save $7.00 (20%)

Out of Stock Online Only!


Klim Aggressor 1.0 Shorts

The Klim Aggressor 1.0 Brief is a lightweight layering piece designed to move moisture away from the skin’s surface and encourage rapid drying without adding insulation or bulk. Low-profile flat-lock seams deliver all-day comfort and advanced fabric shrugs abrasion.


  • Efficient and effective moisture transfer fabric
  • Proven durability and long-lasting comfort
  • 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 1126025 3358005120000 Out of Stock
Black / MD 1126027 3358005130000 Out of Stock
Black / LG 1126029 3358005140000 Out of Stock
Black / XL 1126031 3358005150000 Out of Stock
Black / 2XL 1126033 3358005160000 Out of Stock
Black / 3XL 1126035 3358005170000 Out of Stock