Trail Gear Advisor

Ortho-Flex 21-Inch vs Crosby Mark VI 18-Inch Saddles: Endurance or All-Purpose?

The Ortho-Flex brings a 21-inch endurance/trail direction, while the Crosby Mark VI offers an 18-inch All Purpose package with accessories. Choose based on riding brief, seat size, and the $449 listed-price spread.

Last updated Aug 26, 2026

Choosing among equestrian saddles & pads means resolving a practical tension: do you want a saddle with a defined endurance/trail direction, or a broader setup that includes riding accessories? Ortho-Flex and Crosby Mark VI answer those needs differently, and their $449 listed-price spread makes the choice about intended use as much as seat.

Quick verdict

Ortho-Flex is the better match when the endurance/trail direction is the priority. Crosby Mark VI is the better match when a complete All Purpose setup with named components matters more. This is a use-case decision: Ortho-Flex emphasizes a defined saddle role, while Crosby emphasizes a bundled arrangement.

Compact comparison

Comparison pointOrtho-Flex 21-inch SaddleCrosby Mark VI 18-inch Package
Listed price$799$350
Seat size21 inch18 inch
ConditionUsedUsed

Where each product wins

Ortho-Flex wins for a defined visual and origin brief. Its Brown & Black color and United States country-of-origin detail are concrete selection points for shoppers who care about those specifics.

Crosby wins for a horse-profile detail. Its cutback design is described as working well for horses with prominent or higher withers, giving this choice a clear criterion beyond choosing by color or price.

Ortho-Flex Brown & Black Leather Saddle

Ortho-Flex Brown & Black Leather English or Endurance Saddle 21" Seat

The Ortho-Flex earns consideration from shoppers who want brown-and-black leather and the United States country-of-origin detail. Those are concrete selection points for someone narrowing a saddle by appearance and origin. The practical limitation is that it is listed as used, so condition belongs in the decision. Its price sits at the higher end of this comparison, making the choice less suitable for a shopper prioritizing the lower listed outlay. Choose Ortho-Flex when the leather presentation and origin align with the riding brief.

Crosby Mark VI Spring Seat English Saddle Package

18" Crosby Mark VI Spring Seat English Saddle Package (Complete Setup

Crosby is compelling for a shopper who wants a complete riding bundle. The package names 56-inch stirrup leathers, 4 3/4-inch Centaur stainless steel stirrup irons with pads, and a Toklat Medallion shaped fleece pad. Its cutback design is described as working well for horses with prominent or higher withers, adding a clear selection criterion. The limitation is that the saddle is listed as used and with a narrow/medium-narrow tree/gullet, so those conditions and dimensions remain central to the choice. Select Crosby when the included components and combination-riding role fit your plan.

Final choice by use case

  • Endurance or trail riding: Choose Ortho-Flex, because its listed saddle direction matches that brief.
  • All-purpose combination riding, everyday riding, school masters, or lower-level jumping: Choose Crosby Mark VI, because those uses are named in its description.
  • Seat size: Use the listed 21-inch Ortho-Flex or 18-inch Crosby distinction as the deciding filter; neither size is inherently better.
Products in this article
Ortho-Flex Brown & Black Leather English or Endurance Saddle 21" SeatUSD 799.00View on eBay18" Crosby Mark VI Spring Seat English Saddle Package (Complete SetupUSD 350.00View on eBay
Ortho-Flex Brown & Black Leather English or Endurance Saddle 21" SeatUSD 799.00View on eBay18" Crosby Mark VI Spring Seat English Saddle Package (Complete SetupUSD 350.00View on eBay

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