Absolute modular protection against the elements and intermittent cold: sealed-seam waterproof 5,000 mm shell and detachable 220 gsm fleece lining for validated comfort down to -20°C. Built for BTP, site supervision and outdoor logistics professionals, the men's James & Nicholson JN1378 jacket adapts in real time to your activity level. A truly eco-responsible armour in recycled polyester, it blocks icy wind and driving rain, and protects bodies exposed to thermal shocks (heated indoors / freezing outdoors).
On a building site or in outdoor logistics, weather and effort change constantly. The men's James & Nicholson JN1378 3-in-1 jacket answers in real time: a sealed-seam waterproof shell (5,000 mm, windproof, BIONIC-FINISH®ECO) against driving rain and icy wind, and a detachable zip-in fleece (220 g/m²) you take off as soon as effort rises. Three setups, one jacket — in recycled polyester (GRS), down to -20°C.
The real field asset is modularity: shell alone when you push and sweat, fleece alone indoors or in a vehicle, both together when standing in deep cold.
Sealed seams AND zips: in prolonged driving rain, water stays out. Tough, waterproof, recycled: a pro piece that takes on the season.
Built for deep cold, down to -20°C* when the zip-in fleece is worn under the waterproof shell. That is the point of modularity: detach the fleece as effort rises, put it back when you stop. Felt warmth depends on wind, humidity and activity.
Because it replaces three jackets on the field: a windproof waterproof (5,000 mm, sealed seams) for effort in the rain, a warm 220 g/m² fleece for standing posts, and the two combined down to -20°C*. All in recycled polyester, PFC-free repellent.
* Indicative thermal range depending on activity level, personal feel, wind, humidity and whether the zip-in fleece is worn.
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