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Mens Original Lumi Sleep Socks with Feather Top - Charcoal & Grey

HEAT HOLDERS ORIGINAL

Mens Original Lumi Sleep Socks with Feather Top - Charcoal & Grey

Maximum Thickness | Ideal For At Home | TOG 2.3

Regular price £12.99
SAVE £-12.99

Alternate Colours

Navy & Grey

Quantity

Free UK shipping

International shipping calculated at checkout

If you suffer from cold feet in bed, we’ve got the answer thanks to our Mens Original Lumi Sleep Socks with Feather Top in Charcoal & Grey.

No matter how frosty it gets outside, you’ll be snug and warm under the covers thanks to our thermal sleep socks. These bed socks will keep you warm and cosy even the coldest night. They offer exactly the same warmth as our famous Original Heat Holders in a comfy ankle-length style.

With gift packaging, ribbon and a tag for your own message, these sleep socks make the ideal present for birthdays, Christmas and other special days or occasions.

Size: UK 6-11, EUR 39-45, US 7-12

Length: Ankle length socks

Additional Features: Gift tag for your own message

Fibre Composition: 75% Acrylic, 24% Polyester, 1% Elastane

Machine Washable at 40°C. Heat Holders can be tumble dried but are happiest when line dried.

Learn More From Our FAQs

ORIGINAL Thickness Explained

couple wearing heat holders socks with boots

Our warmest and thickest socks
Unbeatable TOG rating of 2.3

couple wearing heat holders socks in pyjamas

Over 2X warmer than an ordinary thermal sock
Over 7X warmer than a basic cotton sock

Ideal for wearing with boots or relaxing at home
The Ultimate Thermal Sock

Featuring advanced Japanese-designed thermal yarn, UK PATENTED long looped cushion pile, and an expert brushing process to hold more warm air close to your skin, Heat Holders Original are famous as ‘The Ultimate Thermal Sock’. When you wear them, you’ll quickly see why.

Our Other Thicknesses

LITE

Medium-weight socks with a TOG rating of 1.6
Perfect for wearing with casual fitting shoes

ULTRALITE

Our lightest thermal socks with a TOG rating of 1.0
Ideal to wear with tighter fitting shoes

Heat Holders Technology

heat holders illustration of Japanese-designed thermal yarn

Japanese-designed thermal yarn provides insulation with superior breathability and softness.

heat holders illustration of innovative knitting technology

Innovative knitting technology produces our UK PATENTED long loop cushion pile to hold more warm air.

heat holders illustration of expert brushing process

Our expert brushing process maximises the amount of warm air held in for unbeatable warmth.

heat holders illustration of HEATWEAVER® Insulation

HEATWEAVER® Insulation is a plush fur-like thermal lining that maximises the air held close to the body.

5 Star Service

Free UK Delivery & Returns

Over 40,000 5 Star Reviews

Next Day Delivery Available

Socks

Bought for my husband for football, he really likes them

Snug as a bug.

I suffer with freezing cold feet in bed during the winter months and it is often difficult to get to sleep unless I use a hot water bottle. However, the latter option tends to dry my feet out so I'm reluctant to use it. I saw the advert for these sleep socks and decided to buy some. This was some weeks ago and I have been using them continuously since then as they certainly do the job admirably. I would recommend them to anyone who also suffers from cold feet.

Excellent for poor circulation

Husband suffers with poor circulation in his feet. These have been an excellent buy for keeping his feet warm overnight .

Warm and soft

Bought these for my Son-in-law for Christmas, loved how warm and soft they are.

Comfort

Very warm and comfortable and easy to put on and off.

1 2 3

Over 40,000 5 Star Reviews

"These are the warmest socks I have ever worn. They are especially good in wellies or boots when the weather is icy."

Sarah

Rambler and avid walker

“These are the warmest socks I've ever worn without making your feet 'sweaty'”

Jayne

Dog Walker

“Just the job! My feet have never been warmer in winter - will definitely buy some more”

Derek H

Angler

“These socks are great for cold weather at the allotment and even better for walking the dogs in winter conditions.”

Mr Armstrong

Allotment Holder

FAQs About Our Original Socks

How do Heat Holders socks work?

There are no batteries, switches, solar panels or other gimmicks! Heat Holders thermal socks are made using our unique three-stage thermal construction:

1. Heat Holders thermal yarn: Our advanced Japanese-designed thermal yarn provides high-performance insulation with superior softness and moisture-minimising breathability.

2. Heat Holders thermal loops: Our innovative knitting technology produces our PATENTED long-loop cushion pile to hold more warm air close to the skin, boosting the socks' thermal overall grade (TOG) rating.

3. Heat Holders thermal brushing: Our expert brushing process maximises the amount of warm air held within the fabric of the socks for unbeatable warmth and all-day comfort.

Are Heat Holders the warmest thermal socks in the world?

As far as we know and based on all the tests carried out so far, Heat Holders socks are indeed the warmest thermal socks in the world.

What is a TOG rating?

TOG (Thermal Overall Grade) is an independent laboratory-tested standard for insulation. The higher the TOG rating, the better the product is at keeping you warm. You’ll see TOG ratings applied to duvets and babywear, as well as thermal clothing like Heat Holders.

How warm are Heat Holders Original socks?

As far as we know and have ever tested, all three weights of Heat Holders socks (Original, Lite and Ultra Lite) are the warmest thermal socks in their respective weight/thickness categories.

Our Original socks have a TOG of 2.3, which is 7 x warmer than a basic cotton sock.

We also have our Original Wool socks, with a TOG of 2.7 and our Original Merino Wool socks, with a TOG of 2.9.

Show More FAQs

HEAT HOLDERS ORIGINAL

Mens Original Lumi Sleep Socks with Feather Top - Charcoal & Grey

ORIGINAL Thickness Explained

Our Other Thicknesses

Heat Holders Technology

5 Star Service

Recently viewed products

Customer Reviews

Over 40,000 5 Star Reviews

FAQs About Our Original Socks