Men's Extreme Cold Boots Greenbay 4 Kamik

Reference KAGRE

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€136.90 TTC

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SUMMARY

The Greenbay 4 is the men's snow boot from Kamik, Canadian boot maker since 1898, proven on snowmobiles. 35 cm 600D nylon upper on a waterproof rubber base, removable 8 mm Thermal Guard felt liner that keeps warmth when the foot stops moving — snowmobile, ice fishing, hides. Instep strap, pull-on, EU sizes 40 to 47.

TECHNICAL DESCRIPTION

Men's Winter Boots Kamik Greenbay 4

ProtectionExtreme Cold

Shaft height35 cm

Insulation8 mm felt liner

Thermal protection−40 °C / −40 °F*

Thermal insulation600D Nylon + Thermal Guard liner

Sitting on the ice or on a snowmobile, the foot stops producing heat: the boot that keeps it for him

The Greenbay 4 is the men's snow boot from Kamik, the Canadian maker based in Montréal since 1898 — a model proven on snowmobiles, with more than 440,000 pairs sold. Its 600D nylon upper rises to 35 cm, mid-calf, on a waterproof rubber base that keeps snow away from the foot.

Inside, an 8 mm Thermal Guard felt liner, removable: it comes out in the evening to dry, goes back in the morning and is replaced when it wears. A hook-and-loop strap over the instep tightens the boot in one movement, even in mittens.

Pull-on, no laces. Available in EU sizes 40 to 47.

Grand-Froid expert's view

Snowmobile safari in Lapland: the outfitter provides the suit and the helmet, rarely the boots. On the machine, the foot does no work; it takes the wind chill for two hours. The Greenbay 4 is made for that: a thick liner that keeps warmth without any effort from the foot, a high shaft, a strap you tighten in mittens.

Men's winter boots Kamik Greenbay 4 NK0199 - Extreme cold −40 °C / −40 °F

What is it designed for?

The Greenbay 4 is made for the hours when the foot does not move and no longer produces heat: sitting, standing still, or carried by a machine.

Snowmobile and dog sled as a passenger: Lapland, Québec, Alaska, two hours in the wind chill with the foot doing no work
Ice fishing: hours sitting on the frozen lake, where heat drains downwards before it drains into the air
Hides, wildlife watching, aurora nights: motionless on the snow, the high shaft and thick liner do the work the body no longer does
Fixed outdoor posts in dry cold: security, resort car parks, a halted site, hours standing on frozen ground
Snow clearing and farm chores in deep cold: dry, deep snow, the mid-calf shaft closes the way in
Pair with the Heat Holders men's long fishing socks for a warm foot when completely still

Thermal protection

The 8 mm felt liner does the insulating: a volume of still air around the foot that stays effective without the foot having to produce heat — which is what sets it apart from a boot with thin insulation, made for walking. It comes out to dry right through every night; a damp liner insulates less. The rubber base is waterproof, the nylon upper is not: the Greenbay 4 is a boot for dry snow and cold, not for slush — in deep wet snow, take a boot with a sealed upper.

Technical specifications

Upper — 600D nylon
Shaft height — 35 cm
Base and outsole — waterproof synthetic rubber, deep lugs
Liner — 8 mm Thermal Guard felt, removable, replacement available from the maker
Closure — hook-and-loop instep strap
Weight — 1,846 g per pair in EU 42
Shaft circumference — 43 cm in EU 42
Sizes — EU 40 to 47

Composition

600D nylon — upper
Synthetic rubber — waterproof base and outsole
8 mm Thermal Guard felt — removable insulating liner

Size guide

Men's fit, true to size. To measure: stand barefoot on a sheet of paper with your heel against the wall, mark the tip of your longest toe and read the length off the table. To choose: this boot is worn standing still, with a thick sock — take one size up. The felt liner needs room to insulate; compressed, it no longer does, and the foot gets cold.

EU size	Foot length
40	24.4 cm
41	25.3 cm
42	26.1 cm
43	27.0 cm
44	27.8 cm
45	28.7 cm
46	29.5 cm
47	30.4 cm

Between two sizes, choose the larger one.

Care & Durability

Take the liner out after every day and dry it separately, in the air
Rinse the rubber base with lukewarm water; soft brush on the nylon upper once dry
Air dry at room temperature; never against a radiator or stove, direct heat warps the base
No washing machine or tumble dryer, for the boot or the liner
No waterproofing spray or chemical treatment: they damage the materials and void the maker's one-year cover
Worn liner: replace it rather than the boot

Return or exchange — 30 days

You have 30 days after receipt to request a return or exchange for this item.

Why choose the Greenbay 4?

The classic snow boot in its simplest form: a rubber base, a high nylon upper, a thick felt liner you take out and replace. No membrane, no laces, nothing to break. It is the construction Canadians buy when the job is to stay outdoors for hours without moving — and 440,000 pairs sold say it holds.

Why the feet lose heat first:

Contact with the ground: sitting on ice or standing on snow, heat drains downwards by conduction, continuously — the felt liner is the screen
No effort, no heat: still, the foot no longer warms itself; only the volume of insulating air holds what is left
Reduced circulation: in the cold the body protects the core first and cuts blood flow to the extremities — the feet cool down before anything else

Feet that stay cold often point to heat lost elsewhere — cover the head first. Under the boot, the Heat Holders long fishing socks complete the system. On the ice, a boot is not judged in the first hour but in the fourth: the dry liner makes the difference.

* Indicative temperature. Perceived warmth varies with activity, body type, humidity, wind and the layers worn underneath.