Rambo Optimo liner puzzle

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Fieldlife

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I put 200gm liner (fairly old one, so may 150gms now) on my fully clipped horse last night, and no fill Rambo Optimo turnout and neck cover on top.

An hour after turning out, checked temperature (about 6.45pm) and felt about right (I did know I was fractionally over rugging, but was forecast to rain all night, and we'd been a long way in lorry competing that day).

It rained most of the night. Has been consistently about 7 degrees.

This morning 7am, I checked temperature under rug, on the warm side, but dry and ok.

I brought in and took outrug off and left liner on horse. Liner was wet on outside, almost foaming. Rug was also wet on the inside. Both too wet to put back on.

Strangely horse is bone dry. Felt bone dry to my hand under rug just before I took both off.

Do we think horse has sweated, and it has evaporated to outside of liner and stayed there? Or rug has leaked from rain? Making outside but not inside of liner wet? Part of me hopes it was horse sweating (though a bit horrifying) as rug isnt very old to be leaking!!

I have put 100gm liner on and the other turnout rug as an outer.

Thoughts? Anyone else had similar?

PS leaving in 100gm for today and tonight. It is about 7 degrees all day, but forecast to go up to 10 degrees at 3am! Then drop to 6 degrees by 7am, and drop all day to freezing temperatures!
 
I've found in the past that if the horse was on the hot side/ too hot then that happened and if I then reduced the weight of the rugs the next day they were back to fully waterproof.

Like you I didn't think the horse was hot enough to have sweated so I'm not sure if it had and it had evaporated to the top of the liner or if it was that the heat of the horse somehow ruint the breathability system so that the outer rug let in some water or something. Either way the outer rug was still waterproof and stood up to many storms since and I find that as long as the horses aren't too hot then it doesn't happen.

Eta this was with an optimo and Rhino.
 
Squeak said:
I've found in the past that if the horse was on the hot side/ too hot then that happened and if I then reduced the weight of the rugs the next day they were back to fully waterproof.

Like you I didn't think the horse was hot enough to have sweated so I'm not sure if it had and it had evaporated to the top of the liner or if it was that the heat of the horse somehow ruint the breathability system so that the outer rug let in some water or something. Either way the outer rug was still waterproof and stood up to many storms since and I find that as long as the horses aren't too hot then it doesn't happen.

Eta this was with an optimo and Rhino.
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thanks, an did you have a bone dry horse underneath?

Fingers crossed this is the case, and doesnt happen again, if I rug a bit more lightly.
 
Fieldlife said:
thanks, an did you have a bone dry horse underneath?

Fingers crossed this is the case, and doesnt happen again, if I rug a bit more lightly.
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Yes, it sounded exactly the same as you had, horse bone dry with a foam/ damp on the top of the liner between the liner and the outer rug.

Hope it's the same for you and your rug is still waterproof and ok :)
 
Fieldlife said:
with liners in? As my experience normally is that liners turn no fill rugs into acting like rugs with fill.
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It has happened with mine and a liner although the rug was a weatherbeeta not a Rambo, I try to use my 50g or thicker turnouts in heavy rain now and it doesn't happen with those.

Although the price if the Rambo Optima I wouldn't expect that to happen🙈
 
Pinkvboots said:
Although the price if the Rambo Optima I wouldn't expect that to happen🙈
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My thoughts exactly 😅

However I will say that I do know that recently there was a problem with the waterproofing of some blankets. I think that the company switched to a different waterproofing material or something so many blankets were leaking, not holding their waterproofing for an entire season, etc. Here's a recent thread that discusses it on COTH (an American version of HHO): https://forum.chronofhorse.com/t/new-rambo-and-rhino-blankets/800911/3

I would reach out to HW if I were you, @Fieldlife because it looks like the company has replaced defective blankets. And again for the price of yours, it definitely should be in working order!
 
I do find though in heavy persistent rain most brands of rugs if a no fill struggle to stay completely dry.

My weatherbeeta rugs do it but in a bit of rain they are fine and dry inside I think it is like a condensation thing not a waterproof thing.
 
airliner said:
My thoughts exactly 😅

However I will say that I do know that recently there was a problem with the waterproofing of some blankets. I think that the company switched to a different waterproofing material or something so many blankets were leaking, not holding their waterproofing for an entire season, etc. Here's a recent thread that discusses it on COTH (an American version of HHO): https://forum.chronofhorse.com/t/new-rambo-and-rhino-blankets/800911/3

I would reach out to HW if I were you, @Fieldlife because it looks like the company has replaced defective blankets. And again for the price of yours, it definitely should be in working order!
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Thanks. I had a rambo optimo replaced under warranty about 6 years ago, for leaking. (Was a very badly finished model).

This horse only really fits Rambo optimo or big horse epic rugs.

These 2 Rambo optimos have been in use from April 2023 and November 2023. Horse lives out (and has only had a shelter since November 2024).

I’ve not noticed an issue with daily use before. Hopefully it’s a fluke / freak conditions.

I do have the warranty emails.
 
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