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Product Information
The Mares Fin Blade Razor Matrix is a replacement blade for Razor Matrix freediving fins, measuring 20.5 cm wide by 65 cm long.
Who it is for
This blade is for freedivers who want a replacement Razor Matrix blade or want to tune kick feel with soft or medium stiffness. It suits divers who put high kicking volume on their gear and want a blade engineered for reactivity and parabolic bending.
Key details
- Blade produced with pre-impregnated carbon and glass fiber layers for a high quality manufacturing process.
- New 3k carbon construction with 90° crossed fibers and fewer crossings between fibers for improved blade reactivity.
- Variable thickness blade with high performance parabolic bending.
- Variable height side profiles that support and optimize flexibility and the Channel Thrust effect.
- Blade inclination set at 22° from the foot pocket.
- Width of 20.5 cm and length of 65 cm.
Compatibility and sizing
The blade is offered in two stiffness options, Soft (SKU 420911SFT) and Medium (SKU 420911MED), and is designed to be worn with a soft 3mm sock.
DiveCatalog.com is an authorized Mares dealer and a dive shop in Irvine, California, open since 2003. Call 888-701-4017 or chat with us if you have questions about fit or choosing between the soft and medium blade.
- Pre-impregnated carbon and glass fiber: blade layers are produced with pre-impregnated carbon and glass fiber for a high quality manufacturing process.
- 3k carbon construction: new 3k carbon with 90° crossed fibers.
- Improved reactivity: a lower number of crossings between fibers increases blade reactivity on the kick.
- Parabolic bending: variable blade thickness delivers high performance parabolic bending through the stroke.
- Channel Thrust effect: new variable height side profiles support and optimize blade flexibility and the Channel Thrust effect.
- Two stiffness options: available with a soft or a medium stiff blade to match kicking strength and style.
- 22° inclination: blade sits at a 22° inclination from the foot pocket.
- Set dimensions: blade width of 20.5 cm and length of 65 cm.
- Sock pairing: designed to be worn with a soft 3mm sock.
| Brand | Mares |
| Product Type | Dive Fins - Accessories (Replacement Blade) |
| Blade Material | Pre-impregnated carbon fiber and glass fiber layers, 3k carbon with 90° crossed fibers |
| Blade Width | 20.5 cm |
| Blade Length | 65 cm |
| Blade Inclination | 22° from the foot pocket |
| Available Stiffness Options | Soft, Medium |
| Recommended Sock | Soft 3mm sock |
| MPN | 420911MED |
| SKU (Soft) | 420911SFT / Barcode 792460323507 |
| SKU (Medium) | 420911MED / Barcode 792460323491 |
| Color Kit | No |
⚠️ WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
Frequently Asked Questions
What is the difference between the soft and medium Razor Matrix blade?
The Razor Matrix blade is available with a soft or a medium stiff blade; the difference between the two options is blade stiffness.
Will the Razor Matrix blade fit my existing Mares Razor foot pocket?
The Razor Matrix blade is sold as a replacement blade for Razor Matrix freediving fins. Call DiveCatalog.com at 888-701-4017 and we can confirm fit before you order.
Do I need a sock to wear with the Razor Matrix blade?
Yes, the Razor Matrix blade is designed to be worn with a soft 3mm sock.












