Xtreme Harness

Outfit your standarbred with the best in durable, easy care synthetic harnesses, protective boots, halters and harness accessories. With their range of color choices and matching accessories, there's bound to be a set to match your barn colors. For even more racing tack like hopples, bits, hoods, whips & more, shop our entire selection here.
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Xtreme Buxton Martingale Padded Nylon Two Tone

Padded Buxton Martingale by Xtreme J.H. Harness

Product Details:

  • .75 Inch Buxton Martingale
  • Soft Padding on chest straps for extra comfort
  • Adjustable sliders for loosening or tightening
  • Durable heavy duty clasp on neck strap
  • Stainless steel hardware

Item is drop shipped directly from the manufacturer - please allow for additional delivery time

Xtreme Caveson Beta Double Ring
This is an Xtreme double ring caveson made from the new beta material. This piece of equipment is to keep the horse's mouth shut.
Shaped Synthetic Girth Xtreme

Synthetic Shaped Girth by Xtreme J.H. Harness

Product Details:

  • Replacement girth for Standardbred race harness
  • Synthetic girth is quick and easy to clean
  • Includes colored wrap strap of choice
  • Three Sizes: Small 23", Regular 26" or Large 30"

Wrap Strap Color: Black, Blue, Burgundy, Hunter Green, Orange, Pink, Purple, Red, White or Yellow

Xtreme All Beta Lines

All Beta Driving Lines by Xtreme.

Product Details:

  • All weather synthetic material
  • Feels like leather with a stainless steel bit iron.
  • Measures 13 feet 6 inches by 5/8 " wide frontpart and 1" wide hand part.
Xtreme Edge Racing Harness Complete

Quality handcrafted lightweight race harness, low profile, aero dynamic.


  • Nylon saddle pads with matching trim
  • Buxton matches harness color
  • Elastic Girth
  • Easy to clean, track dirt will not stick, just hose off with water
  • Stainless steel saddle tree and couplers
  • All rust free hardware
  • Reinforced stitching.
  • Click here to add Xtreme Caveson
  • Click here to add Bits
  • Click here to add Xtreme Blinds
    Elastic Girth With Wrap Strap Xtreme

    Elastic Girth by Xtreme J.H. Harness.

    Product Details:

    • Replacement girth for Standardbred race harness
    • Best used for race days, not recommended for everyday use
    • Includes d-ring for buxton attachment
    • Includes colored wrap strap of choice
    • Size - Standard 21"

    Wrap Strap Color: Black, Blue, Burgundy, Hunter Green, Orange, Pink, Purple, Red, White or Yellow

    Replacement Buxton Hook Up Strap #1712

    Hand Holds Beta

    Beta Hands Holds by Xtreme Racing Equipment

    These 12 inch beta holds fit on standard driving lines. Helps the drivers hands from slipping and keeping hold of the horses mouth.

    Available in several colors.

    1 inch

    Splint Boot Xtreme Soft

    Splint Boot Xtreme Soft by Xtreme Racing Equipment

    Neoprene splint boot with flat plastic strike plate for protection of sensitive leg structures. Features three straps with hook and loop closure.

    Color: Black

    Sizes: Small and Medium

    Xtreme Edge Base

    Extreme Edge Harness Base

    Product Details:

    • Includes: stainless steel saddle tree and couplers, coordinating nylon buxton & crupper
    • Easy to clean
    • All rust-free hardware
    • Reinforced stitching
    Saddle Pad  Nylon 40inch With Ez Pull Fastener Straps

    Nylon Xtreme Saddle Pad by JH Harness

    Product Details:

    • Nylon 40" Saddle Pads with ez pull fastener straps
    • Black with contrasting accent trim color
    • Easy to keep clean simple wash off

    Accent Colors: Black, Blue, Green, Red, White  or Yellow


    Xtreme Open Bridle Synthetic

    XTreme Synthetic Open Bridle

    Product Details:

    • Extra padding on crown for comfort
    • Rust Free Hardware
    • Reinforced Stitching
    • Colors to match your harness!
    • Bits not included
    Nylon Halter .75 Inch Two Tone

    Xtreme Two Tone Three-Quarter Inch Nylon Halter

    Product Details:

    • Available in sizes 6, 7, 8
    • Narrow 3/4 inch halter
    • Special Order
    • Adjustable Crown
    • Throat Snap


    Neoprene Girth 27in

    Neoprene Summer Girth with Wrap Strap by Xtreme J.H. Harness

    Product Details:

    • To be used with Standardbred race harnesses
    • Soft padding, yet durable neoprene to help prevent rubs.
    • Includes d-ring for buxton attachment
    • Length: 27 inches (buckle to buckle)

      Black only.

    Xtreme Open Bridle Beta

    Xtreme Racing Equipment Beta Open Bridle allows the horse to see in all directions.

    Product Details:

    • Synthetic Material is easy to maintain and clean.
    • Variety of Colors available
    • Does not include bits
    Xtreme Safety Beta Driving Lines Black

    Safety Lines by Xtreme JH Harness

    These Xtreme Beta Driving Lines feature stainless steel reinforced bit end with snap to erase human error of buckle coming undone. Flexible Beta material makes these lines strong and easy to care for.

    1 inch

    Hand holds sold separatly.

    Xtreme Xtreme Harness products are finely crafted and durable for the daily use of racehorse needs.
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