Aether Peak | The Zenith Organic Cotton Twill Overshirt (Black Rock)
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Enduring style meets uncompromising performance. The Zenith Organic Cotton Twill Overshirt in Black Rock is the definitive layering piece, offering substantial structure and conscious credibility.
This essential item is crafted from the same ethical cotton family as our core collection, featuring a heavyweight 285 gsm organic twill weave for a robust, premium hand-feel. It serves as the ultimate transitional jacke - stylish enough for the city, durable enough for the elements. It features a sharp point collar, strong buttoned cuffs, and a modern, versatile relaxed fit.
Designed for the daily balance - from navigating the urban environment to mastering the weekend climb. Finished with our signature "Aether Peak" embroidery on the chest.
Aether Peak - Climb Higher. Stay Grounded.
Collection: The Zenith
Colour: G. Dyed Black Rock (Garment Dyed)
Fabric: 100% Organic Ring-Spun Combed Cotton Twill
Weight: Premium Heavyweight 285 gsm (Structured Twill Finish)
Fit: Relaxed, Unisex Fit
Detail: Subtle "Aether Peak" embroidery, reinforced point collar, full-length button placket, and buttoned cuffs.
Sourcing: Consciously and ethically crafted (GOTS certified supplier).
Care instructions
Follow these care steps to help keep your garment looking and feeling its best:
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Wash at 30°C
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Do not tumble dry
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Do not iron

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Size & Fit
Size Guide — The Zenith Organic Cotton Twill Overshirt
Garment measurements are shown in centimetres (cm). Garment sizes are approximate and for guidance only.
| Sizes | XS | S | M | L | XL | 2XL |
|---|---|---|---|---|---|---|
| A - Half Chest | 55.5 | 59.5 | 62 | 66 | 70 | 74 |
| B - Body Length | 70 | 72.5 | 74 | 76 | 78 | 80 |
| C - Sleeve Length | 61.5 | 63 | 63.5 | 64.5 | 65.5 | 66.5 |
A = measured 2.5 cm below the armhole, straight across the chest.
B = measured from the highest point of the shoulder to the hem.
C = measured from the shoulder seam to the end of the sleeve.