Men's ORIGINAL Thermal Socks in colours · Extreme cold −50 °C · Heat Holders

Reference DB4H2C

In stock: Ships within 48 hours

€11.58 excl. VAT

Select colors

Bleu marine
Charbon

SELECT YOUR SIZE

37/42
39/45
46/50

Tarif dégressif dès 2 pièces 10,65 € · dès 12 9,84 €

1 pièce	2 à 5	6 à 11	12 à 23	24 à 47	48 à 95	96 à 119	120 et +
11,58 €	10,65 €	10,19 €	9,84 €	9,50 €	9,15 €	8,80 €	8,45 €

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SUMMARY

Heat Holders ORIGINAL men's thermal socks, here in navy blue and charcoal, deliver the range's maximum warmth: a TOG rating of 2.34 — 7 times warmer than a cotton sock. Designed for extreme cold down to −50 °C, they protect feet most exposed: hunting, fishing, outdoor work, Nordic travel. Available in UK sizes 4 to 14.

TECHNICAL DESCRIPTION

Men's Thermal Socks Heat Holders – ORIGINAL

Comfort Down to −50 °C

TOG rating 2.34 · max

Thickness Maximum

UK sizes 4 to 14

Heat Holders ORIGINAL · The extreme cold reference

The world's warmest thermal sock — for feet most exposed to cold

Heat Holders ORIGINAL men's thermal socks — here in navy blue and charcoal, part of the official ORIGINAL Socks Heat Holders range — are built for men who voluntarily face the cold for hours at a time. 7 times warmer than a regular cotton sock. Comfort down to −50 °C, TOG rating 2.34 — the highest ever measured on a sock under British Standard BS 4745. Available in UK sizes 4 to 14.

Grand-Froid Expert Review

The ORIGINAL men's sock shines when you stay still in the cold: hunting blinds, ice fishing, delivery work, outdoor observation. The dense brushing builds a real thermal mattress. The warmth and comfort effect is immediate.

Who are they for?

Static cold-weather activities
Outdoor work
Travel in harsh climates
At home on cold flooring

Technical specifications

Thermal comfort down to −50 °C — ORIGINAL level, the warmest in the Heat Holders range
TOG rating 2.34 — certified under British Standard BS 4745
Soft Brushed Inner: densely brushed lining, immediate cosy feel
Gentle Grip Welt: soft cuff that holds in place without compressing the ankle
Height: mid-calf (crew)
Cashmere-like feel: premium acrylic yarn known for its softness

Composition

91 % acrylic — high-performance insulating yarn with renowned softness
5 % polyamide — strength and wash durability
3 % polyester — lightness and quick drying
1 % elastane — hold and dynamic comfort

Sizing guide

⚠️ Important — The reverse effect of foot compression

The ORIGINAL sock is thick. Worn inside a snug shoe, it compresses the foot and restricts blood circulation — producing the opposite effect: cold feet. If your shoes are a close fit, go half a size up for winter, or choose the LITE range (TOG 1.6) or ULTRA LITE (TOG 1.0).

Measuring your foot length: stand with heel against a wall, foot flat on a sheet of paper. Mark the tip of the longest toe. Measure the distance wall ↔ mark in centimetres.

UK size	EU size	Foot length
4 to 8	37 to 42	23 cm to 27 cm
6 to 11	39 to 45	24.5 cm to 28 cm
12 to 14	46 to 50	28.5 cm to 31 cm

Between two sizes, go up: a slightly larger sock keeps its thermal performance, a tight one loses it.

Care & Durability

Wash: machine wash at 30 °C maximum
Drying: air drying preferable, flat or on a line
Tumble dry: tolerated on a gentle low-heat cycle
Avoid: fabric softener, bleach, drying on a hot radiator
Ironing: not recommended on brushed fibres

For those with poor circulation or Raynaud's phenomenon

Keeping the extremities warm is one of the most widely shared pieces of advice for people living with Raynaud's phenomenon — episodes where the fingers or toes turn white, then blue, then tingle in response to cold or stress. More broadly, anyone with blood circulation sensitive to low temperatures can benefit.

The Heat Holders ORIGINAL sock — the warmest in the range — is designed to limit the feet's exposure to cold and support thermal comfort throughout the day. Heat Holders is the official partner of Scleroderma & Raynaud's UK (SRUK), the British charity dedicated to awareness and support for those affected.

⚠️ Important notice: these socks provide thermal comfort but do not replace medical care. Please consult your doctor for any diagnosis or treatment tailored to your situation.

Returns & exchanges — 30 days

You have 30 days from delivery to request a return or exchange on this item.

Why choose Heat Holders ORIGINAL socks?

Not all thermal socks are equal. The ORIGINAL sock is the warmest version of the Heat Holders range — thick, densely brushed inside, comfort down to −50 °C. It is built for long static exposure to cold: hunting, fishing, outdoor work, Nordic travel. Wear in roomy shoes, lined boots, or at home on cold flooring.

TOG — understanding sock warmth:

ORIGINAL · TOG 2.34 — maximum warmth: extreme cold, long exposure, lined boots.
LITE · TOG 1.6 — everyday warmth: ideal for standard winter days, in walking or city shoes.
ULTRA LITE · TOG 1.0 — invisible warmth: designed for slim-fit footwear, dress shoes, urban use.

TOG measures the thermal resistance of fabric: the higher the rating, the more heat is retained. A basic cotton sock sits at 0.33.