Mens Knee High Thermal Fleece Lined Slipper Socks


Heat Holders - Mens Knee High Thermal Slipper Socks

Heat Holders understand that their original length Heat Holders weren’t keeping your knees warm. These long socks have the same warmth and comfort as the original Heat Holders® Slipper sock, but in a knee high length, plus non-slip grippers on the bottom to provide better traction on indoor wood or tiled surfaces.

Our expert Heat Holders Brushing process maximises the amount of warm air held inside each sock for total warmth and all day comfort. Heat Holders are Scientifically tested to be over 7X warmer than a basic cotton sock! The Tog rating of this sock being 2.34 whilst a basic cotton sock only measures at 0.33 Tog.

Thick, chunky and with a massive tog rating, Heat Holders® are made from a specially developed heavy bulk yarn which has extreme thermal qualities. With long pile cushioning, these thermal socks will help keep feet fully comfortable and supported.

The Innovative Heat Holders loop knitting technology produces a unique, extra long looped cushion pile to hold in more warm air, increasing the TOG rating. The non-slip grips on the sole of these slipper socks will help you stay safe around the home.

The Extra Long Slipper Socks are available in Black and are One Size 6-11 UK. They are made from 91% Acrylic, 5% Nylon, 3% Polyester, 1% Elastane and are Machine Washable.

Extra Product Details

Men’s Heat Holders Long Slipper Socks
Knee High Length
2.34 Tog Rating
7X Warmer Than A Cotton Sock
Special Thermal Yarn
Anti-Slip Grippers
Soft Brushed Inner
Thick & Warm Fibres
Great For Indoors
Available In Black
Men’s One Size: 6-11 UK
Machine Washable

Additional information


6-11 UK


Black / Grey

Main Colour



Solid Colour

Material Type




Sock Length

Knee High

Sock Style

Slipper Socks

Sock Thickness


Sock Features

Brushed Inner

Sock Size

6-11 UK



Heat Holders

Heat Holders is the ultimate thermal clothing brand offering a wide variety of products created with the same underlying belief that warmth comes first. Their range has been specially designed to keep you comfy and cosy all year round! Their specially developed advanced fibres provide high performance and superior moisture wicking abilities. An intense brushing process maximises the amount of warm air held inside the sock for all-day warmth and comfort. They have applied this process to their whole range, replicating their innovative insulation process to hats, gloves, neck warmers, thermal underwear and even cosy blankets. If you are looking for the thermal brand that will keep you warm even when the temperatures drop below 0, then Heat Holders is the perfect brand to get started with.


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