TERRAIN 365

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Invictus-TL

  • Rustproof X Edge-Holding
  • Terravantium™ Blade
  • Rodebaugh Infinity Lock
  • Reversible Pocket Clip
  • Fully Ambidextrous
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CAS-OTF

  • Topo Map Edition
  • California Legal OTF
  • VANAX Alloy Blade
  • C3 Lume GID Cabochon
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Invictus-ATBSP

  • Rustproof X Edge-Holding
  • Terravantium™ Blade
  • Built for All Terrains
  • Titanium Hardware
  • C3 Lume GID Cabochon Thumbstuds
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DTK-AT

  • Topo Map Edition
  • Rustproof X Edge-Holding
  • Terravantium™ Blade
  • Mini-Framelock
  • Size of US Issue Dog Tag
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Narwhal-AT

  • Rustproof X Edge-Holding
  • Terravantium™ Blade
  • Built for All Terrains
  • Titanium Hardware
  • HyperGlow Pivot Ring
  • Flipper Action
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LUK-AT

  • Minimalist Purpose Driven Design
  • Compact Form Factor
  • VANAX Alloy Blade
  • Little Utility Knife
  • Skeleton Pack Knife Design
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Invictus-Bali

  • Rustproof X Edge-Holding
  • Terravantium™ Blade
  • Built for All Terrains
  • Titanium Hardware
  • Utility Balisong Design
  • Titanium Spring Latch
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We believe in the power of

Our Story

Terrain 365™ designs and crafts high performance, technical edged tools for rigorous wilderness use and EDC. Using aerospace grade alloys to advanced super-alloys, our objective is to create high performance adventure tools for all terrains.

Our blades made with our proprietary Terravantium™ alloy; are 100% rustproof, nonferrous, nonmagnetic and possess lasting edge holding characteristics. From mountain top to sea floor and anything in-between, Terrain 365™ tools will cut longer, require little to no maintenance, except for the occasional edge touch up, allowing the user to focus on the task at hand and the greater mission or adventure before you.

New Release

Terrain 365 Invictus-ATBSP

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Our Blogs

How to sharpen Terravantium ( Dendritic Cobalt )

January 06, 2026

I use a Hard Arkansas Stone or a 1200 grit Diamond wet stone. With a Magic marker ink both sides of the edge bevel. Make...

Terrain 365 in the Banda Sea

December 22, 2025

In 2023 several Terrain 365 edged-tools accompanied accomplished adventure-photographer Aaron Dummer to the Banda Sea surrounding the Maluku Islands of Indonesia. From the numerous dives...

What is Terravantium™?

October 27, 2025

Terravantium™ is our proprietary name of our dendritic cobalt super alloy. Several types of dendritic cobalt exist on the market under various trade names, but...

Terrain 365 on a Mission with Project Recover

October 26, 2025

In March 2025, Project Recover completed its first mission to Palau. This mission had two goals: (1) An underwater investigation and survey of an MIA-associated...