A good pocket knife should be easy to carry, comfortable to use and capable of handling the cutting tasks that appear throughout an ordinary day. The OKNIFE XEN was designed around that balance.
Designed by renowned knifemaker Ken Onion, the XEN combines a slim, angular handle with a practical sheepsfoot blade, secure Frame Lock and two convenient opening methods. Four configurations are available, allowing users to choose the material and finish that best match their everyday carry style.
In this OKNIFE XEN review, we take a closer look at its design, blade geometry, operation and carry experience.
A Modern Ken Onion Design
The first thing that defines the XEN is its shape. The handle is long, narrow and noticeably angular, giving the knife a clean, industrial appearance without making it feel overly mechanical.
Ken Onion’s influence can be seen in the way the handle and blade work together. The grip remains slim through most of its length, while carefully shaped edges help it sit more naturally in the hand. The result is a folding pocket knife that looks streamlined but still provides enough room for a secure grip.
The design also avoids unnecessary visual elements. The blade sits neatly within the handle when closed, and the hardware is integrated into a clean overall profile. This gives the XEN a modern appearance that works with both understated finishes and more expressive material options.
A Sheepsfoot Blade for Everyday Cutting
The XEN uses a sheepsfoot blade with a long cutting edge and a clearly defined tip.
This shape is particularly useful for the tasks that make up most everyday pocket knife use. The extended edge provides plenty of contact with the material, supporting smooth cuts through cardboard, tape, packaging, cord and other common materials.
The tip sits closer to the cutting edge than the point of a conventional drop-point blade. This position makes it easier to control how deeply the tip enters a package or bag when starting a cut.
There is still enough curve along the edge for general slicing, so the XEN does not feel restricted to straight utility cuts. With a blade length of approximately 3.1 inches, it offers more cutting surface than a mini pocket knife while remaining compact enough for regular carry.
Frame Lock with Two Opening Methods
The XEN uses a Frame Lock to secure the blade when open. Part of the handle moves inward and engages with the blade tang, creating a direct locking structure without adding unnecessary internal layers.
When the blade is fully deployed, the lock bar moves into position to prevent it from closing unintentionally. To close the knife, the user moves the lock bar away from the blade tang before carefully folding the blade back into the handle.
The XEN can be opened with either the flipper or thumb stud. The flipper provides a quick, natural motion using the index finger, while the thumb stud offers a more controlled alternative.
Having both options allows users to choose the opening method that feels most comfortable without complicating the overall design.
Lightweight without Feeling Undersized
One of the strongest qualities of the XEN is the balance between its size and carry weight.
The knife provides the grip length and cutting surface expected from a full-size folding pocket knife, but its narrow handle keeps it from feeling bulky in the pocket. Depending on the selected configuration, different lightweight materials further reduce the overall carry burden.
This makes the XEN suitable for users who want more cutting ability than a compact or mini pocket knife but do not want to carry a thick, heavy folder throughout the day.
Its slim profile also allows it to sit comfortably alongside other EDC items such as a flashlight, pen, wallet or compact multi-tool.
Four XEN Options to Choose From
The OKNIFE XEN is available in four configurations, giving users a choice of different materials, finishes and visual styles:
Zombie Green offers the boldest appearance and is limited to 999 individually numbered pieces. Olive Green provides a more understated earth-tone finish, Damascus Carbon Fiber adds a flowing layered pattern, and XEN-OAL focuses on an especially lightweight aluminum construction.
The materials and finishes vary, but all four retain the core XEN design, including the sheepsfoot blade, Frame Lock, flipper and thumb-stud deployment.
Who Is the XEN For?
The XEN is well suited to users who want a modern pocket knife for packages, cardboard, cord and other routine cutting tasks. Its slim profile makes it easy to carry, while the approximately 3.1-inch blade provides enough cutting length for everyday use.
It also works for users who appreciate the visual side of EDC. The four available configurations range from reserved earth tones to brighter and more distinctive finishes, making it possible to choose a XEN that fits an existing carry setup or adds something different to it.
Because the operating system remains consistent across the available options, buyers can focus mainly on their preferred material and appearance rather than learning a different mechanism for each version.
Final Thoughts
The OKNIFE XEN brings together Ken Onion’s modern design language, practical sheepsfoot geometry and a slim Frame Lock construction.
Its approximately 3.1-inch blade offers useful cutting length for common daily tasks, while the flipper and thumb stud give users two familiar ways to open it. The four available configurations add material and finish choices without changing the core XEN experience.
For users looking for a lightweight folding pocket knife with a clean design and practical everyday cutting performance, the XEN is an easy model to consider.
Meet the OKNIFE XEN
Explore four materials and finishes built around the same modern XEN design.