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SIERRA DESIGNS / 60/40 Cloth Short Mountain Parka
A lightweight outer layer for everyday wear, crafted from Sierra Designs’ signature 60/40 cloth.
This special model pairs U.S.-made 60/40 fabric with Japanese construction. Combining the comfort of natural fibers with outdoor-born functionality, it offers reliable protection from wind and light rain while maintaining breathable comfort.
Designed with practical details such as a stand collar, a structured hood, and a zippered chest pocket, the relaxed wide silhouette allows it to be layered easily over sweatshirts or knits. Effortlessly worn from early autumn through spring, it is a versatile piece perfectly suited for both urban and outdoor life.
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SIERRA DESIGNS
Founded in 1965 in California, USA. The brand offers products that blend outdoor functionality with contemporary fashion sensibilities, designed for those who enjoy incorporating outdoor elements into everyday style.



The Golden Ratio of Water-Repellent Fabric — Loved for Over 50 Years
Crafted from the revolutionary “60/40 Cloth” developed by Sierra Designs in 1968.
Constructed with a 60% cotton weft and 40% nylon warp, this pioneering performance fabric reacts to moisture as the cotton fibers swell, tightening the weave to resist water while preserving breathability. Over time, it develops a rich, distinctive character that only improves with wear.
This special model features construction completed in Japan, even among Sierra Designs’ lineup.
The neckline is designed with a moderately high stand collar for reliable wind protection. Raglan sleeves enhance ease of movement around the shoulders.
The signature three-panel structured hood—an iconic Sierra Designs detail—can be adjusted with a drawcord, while the iconic leather cookie adds a distinctive design accent.
Hand pockets are placed at both sides.

A zip pocket is positioned at the left chest, sized to comfortably fit a hand—ideal for storing a smartphone or earphones.
Relaxed Yet Refined in Appearance
The relaxed silhouette offers generous room, making it easy to style with a wide range of pieces.
With ample space through the body and armholes, it accommodates heavier inner layers with ease. Designed for versatility, it can be worn comfortably across three seasons—from early autumn through spring.


SIZE
※Check out the size guide for more accurate measurements.
Staff comment
Staff Fitting Comments
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● Staff Height / Weight: 165cm / 64kg Wearing size: M Body type: Slim (narrow shoulders) Fit: Relaxed Length: Just right I wore size M. The body width is generous, giving it a very relaxed feel. The length isn’t overly long, so it doesn’t look oversized in a sloppy way—overall, the proportions feel well balanced. The shoulder area allows easy movement, making it comfortable to wear. |
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● Staff Height / Weight: 171cm / 70kg Wearing size: M / L Body type: Standard Fit: Relaxed Length: Just right Size M already provides ample room and offers a relaxed fit close to true-to-size. If you prefer a more exaggerated wide silhouette, size L is recommended. Thanks to the generous body width, even layering thicker innerwear doesn’t disrupt the overall shape. |
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● Staff Height / Weight: 177cm / 73kg Wearing size: L / XL Body type: Standard Fit: Relaxed Length: Just right Size L felt just right with a comfortable amount of room. Despite the wide body, the clean length keeps the silhouette modern and avoids looking bulky. If you prefer a looser look with extra sleeve volume for layering, XL would also be a good option. |
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● Staff Height / Weight: 181cm / 78kg Wearing size: XL Body type: Solid build (broad shoulders) Fit: True to size Length: Just right I chose size XL. The body width is generous, so there’s no tightness around the chest. The sleeve length is also slightly longer, providing full wrist coverage even when extending the arms. |
SPEC
| Materials | Outer fabric: 60% cotton, 40% nylon / Lining (upper): 60% cotton, 40% nylon, Lining (lower): 100% nylon / Accessories: Cowhide leather |
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| Country of Origin | JAPAN |
| Model Wearing | Wearing size L(178cm/70kg) |
| Care Instructions | ※Please note that the colours may look different from the real thing depending on your monitor environment. |
| Weight | 750g |
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