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The ultimate combination of style and protection in a comfortable, soft-shell open fronted tendon boot.

  • Safety tested in an independent laboratory for protection, flexibility, breathability and weight.
  • Five layer protection system
  • Matches perfectly with the Tri-Zone Fetlock Boots
  • One year product guarantee
  • Sold in pairs

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Thishorse tendon boot is the ultimate combination of style and protection. Thissoft-shell jumping boot is smart enough for competition, but durable foreveryday.

Protection provided by the Tri-Zone Open FrontedTendon Boots.

The bootdesign uses a five layer system. The first layer is provides a inner lining forthe horse and sits softly against the leg. It is perforated and cushioned toensure breathability and comfort.

Layer twois a strong mesh. This adds another layer of protection to the jumping boots,but also stops any debris making its way into the boot towards your horses leg.

Layerthree is the internal guard. This layer is placed over the vulnerable tendonarea and is made with strips of material. This allows it to mould around thehorses leg, which allows the horse to move freely without the feeling of a‘splint’.

Thefourth and outer layer provides a durable, breathable and attractive material.We’ve made sure this material is easy to clean and maintain too!

Lastly,the final layer provides extra protection to vulnerable areas.

Testing of the Tri-Zone Horse Jumping Boots.

Designedto meet the needs of the everyday rider to the top international competitor,these boots are tested by an independent safety testing laboratory. Here theyget checked for their ability to protect against concussion and penetrationinjuries. The boot testing also includes breathability, flexibility and weighttesting too.

Looking at the boots in more detail.

Easy tocare for, these horse tendon boots are machine washable and quick to dry. Theelasticated straps allow them to fit a wide variety of horses too. The softshell design allows the boots to stay flexible yet protective.

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Boots are safety equipment

As riders,we protect our mostvital areas (head and torso) with riding hats, body protectors and more recentlyair jackets. Rider protective equipment is subjected to extensive testing tomeet standards and regulations and we believe that as a vital part of yourhorse, protective boots for your horse’s legs should undergo a similar testing process.

Tri-Zone boots gothrough a unique3-phase testing process giving you confidence thatyou are choosing the best leg protection for your horse. Materialsare carefully selected to provide maximum protection but without being bulky,heavy and not make your horses legs hot and sweaty. Each individual layer inthe Tri-Zone bootis researched and sourced for their advanced technical properties and tested inan independent laboratory before it goes anywhere near a horse’s leg.

Testing Phase 1 –Independent Laboratory

In the same laboratory that teststandards of riding hats and body protectors, Tri-Zone Boots are safety tested to their limits for theirability to withstand concussion and penetration whilst remaining lightweight,breathable and flexible.


For concussion and penetration thetesting is carried out using a custom made test rig consisting of a tower fromwhich either a blunt hammer or a cutting blade is dropped onto the bootsin a controlled fashion. The weight of the blade and hammer are fixed anddifferent forces are applied to the boots by varying the height from which theywere dropped onto the boots. Boots were hit with forces ranging from 1.25 to 20Joules. These forces were chosen as being those likely to occur in the horseduring exercise, forexample when hitting obstacles or over-reaching.

Heat & Breathability

We test ourboots to measure how well the boots allow heat to escape in order to reducethe risk of tissue damage.

Research hasshown that when tendon cells are heated to 48°C for 10 minutes approx, 80% ofthem die. We use several different methods to assess heat release from boots.The heat release is estimated by fitting the boots to a metal flask containingwater at 45°C in a room at 20°C with no significant radiation. The surfacetemperature of the boots is measured using a thermal camera. We tested Tri-Zone Boots, along with a number of other boots on themarket.


From this itwas clear that some boots were very effective insulators and kept the heat inso the outside of the boot appeared cold. Other boots appeared much hotter onthe surface, showing that they were allowing heat to escape.

Heat releasewas then estimated by measuring the rate at which the temperature of the waterin the flask dropped whilst 20°C air was being blown over the boot (via a fan).This was done to simulate the movement of air over the boot and leg as wouldoccur during exercise.


If boots areconstructed of inflexible (i.e. stiff) material or if boots are applied tootightly, they have the potential to restrict joint movement and cause otherproblems such as tendonitis. Stride characteristics and performance could alsobe affected. Boots need to allow as much freedom of movement as possible withoutcompromising on their primary function of protection. We test our boots to makesure that they donot restrict the horse’s movement whilst still exceedingprotection requirements. An 8cm x 1m steel pipe is set up secured to aworkbench. The boots are fixed to the pipe and a 10kg weight is attached with aclip on the boot and the downward direction measured. The degree of flexibilityis measured by how much the boot bends.


Adding evensmall amounts of weight tothe end of the leg in the form of a boot significantly increases the effort thehorse must make to run and can also alter the stride characteristics. Someboots can double in weight if the horse is being exercised in the rain, on wetground or going through water. This can seriously affect stamina andperformance. We design and test our boots to minimise water absorption,excess weight but without compromising on protection.

Testing Phase 2 – TesterPanel

The bootsthen undergo trials by an extensivetester panel of horse owners and riders who test them forthe fit, comfort,  ease of use and washing to ensure we have not only asafe product but one that people can easily use and trust.

Testing Phase 3 –Rider Tests

Finally theboots go through the rigorous test of being used all day, every day on busycompetition yards by teams of professionalriders. Tri-Zone Bootsareworn either at home or at competitions by an array of Olympic riders, worldchampions and top producers.

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Available in Black or White in XS - Large

We are one of the largest independent retailers of Equilibrium in the UK and a verified premium stockist giving us access to the entire range. Our sales advisors all use these products on a daily basis so are able to offer you expert advice. If you need any assistance in selecting the right item for you or your horse please don't hesitate to contact us.