- -50° C
- A water-free formula, beeswax and shea butter: lips that get through the winter.
Men's Workforce Socks · For work boots −30 °C / −22 °F · Heat Holders — Japanese thermal yarn, UK-patented Long Loop Cushion Pile™, HeatWeaver® lining. Protection down to −30 °C / -22 °F*. Sizes UK 5.5-11.
The Heat Holders Workforce boot socks are built for outdoor trades: building sites, cold storage warehouses, winter farm work, forestry rounds, public works. Reinforced heel and toe zones resist the continuous friction against the shell of safety boots. Brushed HeatWeaver® lining keeps feet warm even through long, static days. Thermal yarn engineered in Japan, plus Long Loop Cushion Pile™ for cushioning under the sole. Protection down to −30 °C*. Sizes 39 to 45.
The Workforce difference versus a classic ORIGINAL sock: the heel/toe reinforcement. In safety boots, the shell protects but rubs — a classic sock wears out within 2–3 months of daily use. The Workforce lasts the whole winter season. It's also the sock our professional customers buy in packs of 3 or 6 pairs for rotation. For more intensive use (lower temperatures or a taller boot shaft), see the Reinforced Tall Workforce Socks (ID 3470) — same DNA, extended protection.

* Indicative temperature, varies according to activity, body type and the layering system worn.
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