Arena Cob General Purpose
For cobs and wide horses with a broad build, this general purpose saddle gives you a balanced, supported position for schooling, popping a few fences or a long ride out. Front and rear Flexiblocs with a padded knee insert help keep your leg where it should be.
Adjustable features help keep your horse as comfortable as you are. Smart European leather and a wipe-clean lining make it easy to keep looking good.
For your horse's comfort, this saddle includes HART
Horse and Rider Technology is the epitome of comfort with the added practicality of being fully adjustable, so you and your horse are presentation perfect throughout your journey.
Size Guide
The chart shows the main measurements of the Arena Cob General Purpose for each seat size. Use it to compare with the saddle you ride in now.
For you
- Seat size depends on your build, the length of your thigh and the riding you do, so compare with a saddle you already find comfortable.
- If you are between sizes, try both if you can, or ask your saddle fitter or retailer.
For your horse
- Fit is about comfort, balance and how your horse moves, not one number on a chart, so we would always start with a qualified saddle fitter you trust.
- The width can be changed with the EASY-CHANGE Gullet System, so you or your saddle fitter can adjust it as your horse changes shape.
Measurements are a guide only. They are rounded to the nearest 0.5 cm and then converted to inches, and the organic shape of saddlery means small differences between pieces are normal.

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I have WIDE gullets from my Arena Wide saddle. Will they fit?
Yes. Arena Wide saddles are now called Arena Cob, and they still use the EASY-CHANGE Gullet System WIDE (1XW to 4XW), so the WIDE gullets you already have will fit.Will standard EASY-CHANGE gullets fit the Arena Cob General Purpose?
No. It takes WIDE plates only, from 1XW to 4XW. Standard plates can distort the tree and are not covered by the warranty.What gullet does the Arena Cob General Purpose come with?
It is fitted with a 2XW (lilac) gullet. The EASY-CHANGE Gullet System WIDE: Complete Kit gives you the other WIDE sizes, and a saddle fitter can help you choose the right one. -
Approximate weight: 6.2 kg/13.7 lb. Weights vary a little by size and options. Fitted with a 2XW (lilac) gullet from the EASY-CHANGE Gullet System WIDE, and it takes WIDE gullets only. The EASY-CHANGE Gullet System WIDE: Complete Kit, EASY-CHANGE Riser System: Standard Pack and EASY-CHANGE Gullet Gauge are available separately, as are a girth and stirrup leathers. Fit is about comfort, balance and how your horse moves, not one number on a chart, so we would always start with a qualified saddle fitter you trust.
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- Clean the leather with Arena Glycerine Soap to remove surface dirt and oil, let it dry, then condition it with Arena Leather Balsam.
- Both come in the Arena Leather Care Pack.
- Wipe the technical lining clean with a damp cloth.
- The CAIR cushions are never adjusted themselves, and opening the CAIR security tape voids the warranty.
For a step-by-step guide to looking after your leather, read Saddle care 101 and our care instructions.
Key Features
- Panel: a performance panel with a generous footprint and gradually tapered edges for a gentle transition of weight, with provision for lift adjustments for balance and stability
- Seat: a comfort seat anatomically sculpted from multiple layers of foam to support your position
- Stirrup bar: an Ergonomic Stirrup Bar that works with the seat to support your position
- Flexiblocs: front and rear Flexiblocs with a padded knee insert