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When the environment sets the rules, the Extrema Ratio Outdoor series is built to perform without excess. Designed around a simple principle — unnecessary weight is a liability — this line focuses on essential function, durability, and reliability.
Green Forprene handles for low visual impact. Satin blades for easier maintenance. High-visibility paracord for quick recovery. Durable, minimalist sheaths.
No superfluous accessories — just dependable performance.
F.O.K. Nitrogen Outdoor
Derived from the FOLGORE platform and reinterpreted for field use, the F.O.K. Nitrogen Outdoor is a compact fixed blade designed for real-world outdoor work. Lightweight and easy to carry, it fits naturally into a pack or onto gear without becoming a burden.
The slim yet structurally strong blade offers precision and control for bushcraft, camping, preparation tasks, and general outdoor use. It responds predictably and efficiently when accuracy matters.
Forprene handle scales provide secure ergonomics, even in wet or demanding conditions, while reducing visual contrast in natural surroundings. The orange paracord lanyard improves visibility if the knife is dropped in vegetation or rough terrain.
A lightweight thermoformed Kydex sheath completes the system. It resists moisture, requires minimal maintenance, and supports multiple carry options, including MOLLE setups, belt carry, Ulticlip, Malice Clip, or shoulder configuration.
Essential. Reliable.
A professional outdoor tool built to stay operational — wherever you take it.
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Add to BasketYes, this item is legal to own in the United Kingdom.
We base this opinion on our interpretation of UK Knife Law (see our blog). Be aware that there are different rules for owning and carrying knives in public in the UK. Read about the difference here.
Yes, this item is legal to own in the United Kingdom.
We base this opinion on our interpretation of UK Knife Law (see our blog). Be aware that there are different rules for owning and carrying knives in public in the UK. Read about the difference here.
