








Underrug 300g
The lightweight under-blanket with 300g filling provides pleasant warmth and optimal temperature regulation under the top blanket, ideal for cold winter days.
Detailed description
- Part of the “Hook&Hold” rug combination system
Material
- Noticeably lightweight
- 300g fill
- Coat-friendly
- Breathable
- Machine washable
Function
- Temperature-regulating
- Moisture-wicking
- Includes storage bag
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Pickup available at SUNRIDE GmbH
Usually ready in 1 hour
Ideally suited for
- cold winter days
- ambient temperatures from approx. +5 °C down to freezing, depending on coat, clipping, housing, and constitution
- an additional layer of warmth during large temperature fluctuations and cold nights under a compatible outer blanket
- flexible adjustment of the blanket lining to suit weather and temperature
- stable, paddock, and pasture use in combination with a suitable turnout blanket
Tip: Thanks to Hook&Hold, the 300g liner can be combined with all compatible SUNRIDE stable blankets, winter blankets, and turnout rugs. This allows you to flexibly adjust the level of warmth to suit the weather, housing conditions, and your horse's individual needs.
Did you know that...
doesn't the material itself generate most of the warmth in a lined under-rug? The decisive factor is the still air that is trapped between the fine fibers of the 300g filling. These air pockets slow down heat loss and explain why an under-rug can be noticeably light and yet still provide intense warmth.
Size Chart
FAQ
What temperatures is a 300g under rug suitable for?
A 300g fill is one of the warmer options and is particularly suitable for cold winter days. However, whether it is appropriate also depends on the horse's clip, age, management, health, the weather, and its individual warmth requirements.
For which horses is a 300g under rug particularly useful?
It is suitable for all horses, but especially for clipped, older, very thin, or cold-sensitive horses. Horses kept in robust conditions with a thick winter coat, on the other hand, often require less additional warmth.
Can the under rug be combined with any horse rug?
For secure attachment via the Hook&Hold system, it should be combined with a compatible SUNRIDE stable or turnout rug. This is the only way to correctly use the designated attachment points.
How do I know if my horse is too warm under the rug combination?
Regularly check the area behind the shoulder and at the withers. The horse should feel pleasantly warm, but not hot, damp, or clammy. Sweating, damp fur, or unusual restlessness may indicate that the combination is too warm.
Why is a rug system with a replaceable under rug practical?
You can adapt the thermal performance to changing temperatures without having to use a completely different outer rug every time. Depending on the weather, the under rug can be added, removed, or swapped for one with a different fill weight.
Can the under rug also be used without an outer rug?
The under rug is intended exclusively as an additional heat layer under a compatible SUNRIDE outer rug and cannot be worn on its own.
Does the 300g under rug change the fit of the outer rug?
No. The under rug can be used without any problems with normal rug sizes. Simply choose the under rug and compatible SUNRIDE outer rug in your horse's usual size.
Security Information
- For use on horses only, as intended.
- Do not apply directly to open wounds, skin abrasions, or highly irritated areas of skin.
- Check for damage, loose seams, tears, or defective fasteners before each use.
- Do not continue to use the rug if it is damaged or shows significant signs of wear.
- Check the fit regularly to avoid pressure points or chafing.
- Do not leave on the horse unattended, especially in the stall or in the pasture, if there is a risk of snagging.
- Do not make any unauthorized modifications or repairs to the product.
- Clean only according to the care label – do not use chemical cleaning agents, bleach, or solvents.
- Allow to dry completely after cleaning before the rug is used again or stored.
- Do not store or dry near open flames, heat sources, or chemical substances.
Fittingly:
Personal customer service, we're happy to advise you.
Fast shipping, delivery in 1 to 3 business days
Free shipping within Germany

Underrug 300g
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Further product details
Description
- "Hook&Hold" – combine flexibly, secure reliably: The liner can be quickly attached to all compatible SUNRIDE outer rugs. For a secure hold, the liner is fastened to the outer rug at the front with a loop and Velcro closure, and at the back with a practical clip system. This ensures the rug combination stays securely in place even during movement and can be flexibly adjusted to changing temperatures.
- Noticeably light – high thermal comfort without unnecessary weight: Despite its insulating filling, the liner rests pleasantly light on the horse's back. This simplifies daily saddling and offers your horse more comfort, especially during longer periods of wear.
- 300g filling – intense warmth for cold temperatures: The filling traps insulating air and reduces heat loss from the body surface. This makes the 300g liner particularly suitable for cold winter days as well as for clipped, older, or cold-sensitive horses.
- Coat-friendly – less friction with every movement: The material lies comfortably against the body and slides better over the coat during natural movements. This reduces ruffled hair, bald spots, and chafing in the shoulder area.
- Breathable – excess heat can escape: The air-permeable construction prevents unnecessary heat buildup under the horse rug. This keeps the climate more comfortable even with changing temperatures and makes your horse less likely to overheat.
- Machine washable – hygienic and uncomplicated for daily winter use: After regular use, the liner can be conveniently cleaned in the washing machine. Sweat, dust, and hair residue are thoroughly washed out so that it can be used again, clean and well-maintained.
- Temperature-regulating – consistent thermal comfort under the outer rug: The liner supports a balanced climate between the horse's body and the rug. It retains warmth while allowing excess to escape, helping to avoid sharp temperature fluctuations under the rug.
- Moisture-regulating – protects against a damp feeling: The breathable construction allows water vapor to escape to the outside without the smooth polyester satin having to absorb moisture. This prevents moisture buildup between the coat and the rug, keeping your horse comfortably tempered.
- Practical storage bag – stored cleanly and quickly at hand: The matching bag protects your equipment from dust and dirt when not in use and ensures tidy storage in the stable, locker, or horse trailer. At the same time, you can keep the products compactly together and take them with you conveniently to training or tournaments.
You can count on that
Personal Customer Service
We advise you personally and help you find the right equipment for your horse.
Free shipping
Within Germany, we deliver your order to your home free of charge.
Thoughtful Products
Our products are developed from genuine equestrian experience, for comfort, function, and durability.
Fast shipping
We process your order on the same day, delivery usually within 1 to 3 working days.

By riders for riders
Behind SUNRIDE are people who themselves are in the saddle. Every product is developed from genuine riding experience and continuously refined until it proves its worth in the stable, in the arena, and in competition. Functionality, comfort, and durability are always at the core.








