The 'Gooney Glesser' Folding Knife | Byrd by Spyderco Gooney Tri-Geometry Field Utility Instrument

The Experience

Not every field instrument needs to cost $300 to earn its place in the kit. Designed by Sal Glesser — Spyderco's co-founder and Blade Magazine Hall of Fame inductee — the Byrd Gooney is the argument that Spyderco's most innovative design thinking is available at every price point, not just the premium tier. The Gooney's defining feature is its blade geometry — a deliberate, unconventional fusion of sheepsfoot, hawkbill, and Reverse "S" profiles that produces a cutting edge unlike anything else in the production folding knife market. The sheepsfoot element provides a strong, controlled tip for precision push cuts. The hawkbill curvature generates pulling power and slicing leverage on fibrous and resistant materials. The Reverse "S" integration smooths the transition between these geometries into a single, continuous edge that delivers the combined capability of all three profiles in every cutting stroke. This is not a novelty design — it is the result of deliberate engineering by a knifemaker who has spent decades studying how blades actually interact with material in the field. Available in two configurations to match the observer's preferred cutting discipline: a PlainEdge variant in 9Cr14MoV stainless steel for precision slicing, controlled cuts, and edge work that rewards a sharp, smooth geometry — and a SpyderEdge fully serrated variant in 9Cr18MoV stainless steel that amplifies the cutting efficiency of the Gooney's blade geometry with serrations that track through rope, webbing, synthetic cordage, and tough organic material with a decisive efficiency that plain edge geometry requires considerably more effort to match. Both variants are ground to a full-flat geometry with a satin finish and housed in a gray peel-ply textured G-10 handle with a stout back lock, a four-position pocket clip, and a generously sized lanyard hole. This is the instrument you put in a pack pocket, a field bag, or a spare kit and forget about until the moment you need it — at which point it will be exactly where you left it, ready to do exactly what you ask of it.

Scientific Engineering

• Tri-Geometry Blade Profile: The Gooney's blade integrates sheepsfoot, hawkbill, and Reverse "S" geometries into a single continuous cutting edge — the sheepsfoot element providing controlled tip utility and push-cut precision, the hawkbill curvature generating pulling leverage and slicing power on resistant materials, and the Reverse "S" transition smoothing the geometry change into a unified cutting arc that delivers the combined functional advantages of all three profiles simultaneously.
• Two Cutting Edge Configurations: The PlainEdge variant delivers a smooth, continuous cutting geometry optimized for precision slicing, controlled push cuts, and field tasks that reward a sharp, friction-minimizing edge — and is fully resharpenable in the field with standard tools. The SpyderEdge fully serrated variant applies precision-ground serrations across the full cutting edge length, increasing cutting initiation on fibrous, synthetic, and tough organic materials where plain edge geometry requires repeated strokes to achieve what a serrated edge accomplishes in one.
• Full-Flat Grind Geometry: A full-flat grind produces a blade that is progressively thinner from spine to edge — maximizing cutting efficiency, minimizing wedging during cuts, and providing the superior edge geometry that distinguishes Byrd instruments from comparable price-point competitors with hollow or saber grinds.
• 9Cr14MoV / 9Cr18MoV Stainless Steel: Both variants are ground from high-chromium stainless alloys — 9Cr14MoV on the PlainEdge and 9Cr18MoV on the SpyderEdge — delivering reliable edge retention and meaningful corrosion resistance for field carry and use in variable environmental conditions. The 9Cr18MoV's marginally higher chromium content provides a slight additional corrosion resistance advantage on the serrated variant.
• Back Lock Mechanism: A robust back lock provides secure, reliable blade retention during field use — the locking bar engaging the blade tang with sufficient geometry and spring tension to maintain positive lock-up across sustained cutting tasks.
• Four-Position Pocket Clip: A clip configurable for tip-up or tip-down carry on either side of the handle provides complete ambidextrous carry flexibility — allowing the observer to position the Gooney for immediate one-handed access regardless of carry preference or dominant hand.
• Linerless G-10 Handle Construction: The gray peel-ply textured G-10 handle scales are housed in a linerless construction that reduces overall weight without compromising structural integrity — the G-10 material itself providing sufficient rigidity and impact resistance for sustained field use without metal liner reinforcement.

Boutique & Conservation Values

• The Sal Glesser Design Legacy: Sal Glesser co-founded Spyderco in 1976 and has spent nearly five decades redefining what a folding knife can be — introducing one-handed opening, pocket clips, and serrated edges to the production knife market before any of those features were industry standard. The Gooney represents his design thinking applied to the Byrd value platform — the same innovative blade geometry philosophy that drives mainline Spyderco instruments, accessible at a price point that puts no barrier between the observer and a capable field cutting tool.
• The Byrd Platform: Byrd is Spyderco's purpose-built value sub-brand — designed to deliver Spyderco's core engineering principles, ergonomic philosophy, and quality standards at an accessible price point without cutting corners on the features that matter most in the field. For the observer building out a complete field kit, the Gooney represents the intelligent entry point to the Spyderco design lineage — a working instrument that earns its place without requiring a premium investment.

Specifications

BY24GPGY — PlainEdge

• Blade Steel: 9Cr14MoV Stainless Steel
• Blade Edge: PlainEdge (smooth)
• Blade Length: 3.46" (88mm)
• Blade Thickness: 0.110" (2.8mm)
• Blade Style: Sheepsfoot / Hawkbill / Reverse "S" Tri-Geometry
• Blade Grind: Full Flat
• Blade Finish: Satin
• Overall Length (Open): 7.70" (196mm)
• Closed Length: 4.34" (110mm)
• Handle Material: Gray Peel-Ply Textured G-10
• Locking Mechanism: Back Lock
• Pocket Clip: Four-position — tip-up/tip-down, left/right carry
• Lanyard Hole: Yes
• Weight: 3.4 oz.

BY24GSGY — SpyderEdge (Serrated)

• Blade Steel: 9Cr18MoV Stainless Steel
• Blade Edge: SpyderEdge (fully serrated)
• Blade Length: 3.46" (88mm)
• Blade Thickness: 0.110" (2.8mm)
• Blade Style: Sheepsfoot / Hawkbill / Reverse "S" Tri-Geometry
• Blade Grind: Full Flat
• Blade Finish: Satin
• Overall Length (Open): 7.70" (196mm)
• Closed Length: 4.34" (110mm)
• Handle Material: Gray Peel-Ply Textured G-10
• Locking Mechanism: Back Lock
• Pocket Clip: Four-position — tip-up/tip-down, left/right carry
• Lanyard Hole: Yes
• Weight: 3.4 oz.

Both Variants

• Designer: Sal Glesser
• Estimated Shipping Weight: 1 lb.
• Warranty: Spyderco Limited Lifetime Warranty