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MARMOT / MMT Gritty Shirt RIRANCHA
Introducing the MMT Gritty Shirt, which combines the appearance of an authentic shirt with the high-performance functionality of outdoor wear.
The fabric uses Toray’s functional material “RIRANCHA,” a linen-like polyester that offers excellent breathability and lightness, along with easy-care features such as moisture absorption, quick drying, and wrinkle resistance.
It keeps a dry, comfortable feel even in warmer weather, while also working well as a light layer on days with shifting temperatures or in air-conditioned spaces. Seamlessly adapting from outdoors to indoors, it performs across both everyday life and active settings.
beige
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MARMOT
Founded in 1971 by two students from the University of California, MARMOT has its roots in the “Marmot Club,” a mountaineering group. As the first outdoor apparel brand to use GORE-TEX in gear, it revolutionized the industry. Staying true to its original philosophy of freedom and innovation, the brand continues to deliver high-performance lifestyle wear worldwide.


Linen-like texture with modern performance
Made with Toray’s “RIRANCHA” polyester, this fabric replicates linen’s dry touch and natural wrinkled texture while feeling less clingy against the skin for enhanced comfort.
Functionality is equally impressive, offering excellent moisture-wicking and quick-drying properties, along with wrinkle resistance that reduces the need for ironing. Unlike linen, it resists shrinkage, making it easy to care for and ideal for everyday wear—even in hot and humid conditions.


The slightly oversized collar adds a clean, refined look, while raglan sleeves allow for smooth, unrestricted arm movement, ensuring a stress-free fit throughout the day.
A subtle logo embroidery is placed on the back right shoulder, tonal to the fabric for a clean, minimal finish.
The cuffs feature a two-button adjustment, allowing you to tighten for a clean look or loosen for a more relaxed feel—adapting easily to different temperatures and occasions.
Side slits at the hem introduce subtle movement to the silhouette, enhancing a refined and effortless appearance.
Relaxed yet balanced silhouette
The raglan sleeves create a natural drape around the shoulders, forming a soft, rounded shape. While the body has enough room for comfort, the overall balance prevents it from looking overly loose, maintaining a clean, refined look.


SIZE
※Check out the size guide for more accurate measurements.
Staff comment
| ●Staff Height/Weight: 165cm / 64kg Wearing size: M Body type: Slim (narrow shoulders) Fit: Relaxed Length: Just right Worn over a long-sleeve tee, the raglan sleeves create a relaxed, easygoing look. The slightly roomy body allows for good airflow, making it a practical layer even in warmer seasons. The sleeves fall slightly over the back of the hands, and the length covers about half of the hips. |
| ●Staff Height/Weight: 171cm / 70kg Wearing size: L Body type: Standard Fit: Relaxed Length: Just right Worn over a T-shirt, it offers a comfortable amount of room in both the shoulders and body, allowing for stress-free wear. The sleeves cover about half the back of the hands, and the length reaches about halfway over the hips. Size L is recommended for a more relaxed fit. |
| ●Staff Height/Weight: 177cm / 73kg Wearing size: L Body type: Standard Fit: Just Length: Just right The fit is almost identical to the model in the photos. The shoulders and body have a slight amount of room, making it comfortable even in warmer weather. The sleeves fall slightly over the back of the hands, and the length covers about half of the hips. |
| ●Staff Height/Weight: 181cm / 78kg Wearing size: XL Body type: Solid build (broad shoulders) Fit: Relaxed Length: Just right Worn over a long-sleeve tee, it offers a comfortable amount of room in both the shoulders and body. The raglan sleeves enhance ease of movement. The sleeves fall slightly over the back of the hands, and the length sits around the belt line, offering a clean, balanced look. |
SPEC
| Materials | 100% polyester |
|---|---|
| Country of Origin | VIETNAM |
| Model Wearing | Wearing size L(177cm/70kg) |
| Care Instructions | ※Please note that the colours may look different from the real thing depending on your monitor environment. |
| Weight | 210g |
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