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Inspired by the classic US Navy deck jackets of the 1940s, our interpretation of the N1 has become a signature piece for Iron Heart. This lightweight model replaces the thick Alpaca wool insulation and quilted sleeves found on our heavyweight N1 with a much lighter weather-resistant Japanese Ventile cotton lining — slimming the jacket down, enhancing breathability, and adding a layer of protection against wind and rain.

For this FW26 update, we've opted to use a reactive-dyed fabric, the same as that found on the wool-lined models. This replaces the sulphur-dyed whipcord that featured on previous versions of this jacket, resulting in a richer shade of olive and ensuring longer-lasting colour. Finished with a corduroy-lined collar that contrasts the whipcord, the result is a jacket that offers classic N1 styling at the perfect weight for the transitioning seasons.  

[SIZE-GUIDE-INCH]

Tag Size	XS	S	M	L	XL	XXL	XXXL	XXXXL
Shoulders	16.5	17.4	18.1	19.0	19.7	20.4	21.1	21.9
Length	24.4	24.5	25.2	26.0	26.7	27.4	28.3	29.1
Chest (P2P)	21.9	22.8	23.5	24.1	25.1	25.9	26.6	27.5
Waist	20.9	21.8	22.6	23.3	24.2	24.9	25.7	26.5
Opening	20.5	21.1	22.0	22.7	23.4	24.1	25.0	25.7
Sleeve	23.9	23.9	24.2	24.8	25.4	26.0	26.9	27.3
Sleeve Opening	4.8	4.9	5.0	5.1	5.2	5.3	5.4	5.4

[SIZE-GUIDE-CM]

Tag Size	XS	S	M	L	XL	XXL	XXXL	XXXXL
Shoulders	41.8	44.1	46.0	48.1	49.9	51.7	53.6	55.5
Length	62.0	62.1	64.0	66.0	67.8	69.6	71.8	73.8
Chest (P2P)	55.6	57.8	59.6	61.1	63.6	65.7	67.4	69.7
Waist	53.1	55.2	57.3	59.1	61.3	63.2	65.3	67.3
Opening	52.1	53.6	55.8	57.7	59.4	61.1	63.5	65.3
Sleeve	60.6	60.7	61.5	63.0	64.4	66.0	68.3	69.3
Sleeve Opening	12.2	12.4	12.7	13.0	13.1	13.5	13.7	13.7

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