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hmmm has confirmed 130 웰터 익스페리먼트 T-shirts products.

Confirmed facts

hmmm has confirmed 130 웰터 익스페리먼트 T-shirts products.

The materials listed in the material information are Polyester 48, Cotton 43, Nylon 11, Mesh 5, and Jersey 2.

Counted based on official store product information collected up to October 16, 2026. Products link to the official store.

'T-shirts' products

and 118 more

WELTER EXPERIMENTWEL-8

Kyron Octa® T-Shirt Charcoal

₩98,000Available for international purchaseOfficial product page ↗

This is a functional short-sleeve T-shirt made with 98g/m² Teijin Octa fabric. It applies an underarm gusset pattern and seamless flatlock stitching for comfortable movement, and can be opened and closed with a neck zipper. It is great to wear for outdoor activities as it dries sweat quickly while maintaining body temperature.

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01 / 04

Why this product

We focused on the fact that it maintains warmth with a light weight and helps ease movement.

  1. Lightweight Teijin Octa fabric that holds warmth

    It is lightweight using 98g/m² Teijin Octa fabric. It helps not to lose warmth while drying sweat quickly.

  2. Underarm gusset and flatlock stitching

    An underarm gusset pattern is added to widen the range of motion. It is finished with seamless flatlock stitching to reduce friction against the skin.

  3. Zipper and trims that add functionality

    A YKK zipper is placed at the neck to make it easy to put on and take off. Detailed elements are filled with reflective point labels and logo embroidery.

WELTER EXPERIMENTWEL-7

Kyron Octa® T-Shirt White

₩98,000Available for international purchaseOfficial product page ↗

It is made of 98gsm TEIJIN OCTA® functional fabric. Underarm gusset patterning and flatlock seamless sewing were applied to reduce irritation against the skin. With its light weight, it is easy to wear without burden during outdoor activities.

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01 / 04

Why this product

Because it combines lightweight functional materials with sewing designed for comfortable movement.

  1. Application of Teijin Octa fabric

    Using 98gsm TEIJIN OCTA® fabric, it can be worn lightly.

  2. Underarm gusset pattern

    Gusset patterns and details were added to the underarm area to increase mobility.

  3. Flatlock seamless sewing

    Flatlock seamless sewing and partial flatlock topstitching were applied to reduce seams touching the skin.

WELTER EXPERIMENTWEL-5

Kyron Octa® Long Sleeves T-Shirt Black

₩118,000Available for international purchaseOfficial product page ↗

This is a long-sleeved T-shirt made with 98g/m² Octa fabric that quickly dries sweat and adds warmth. Underarm gussets and flatlock seamless sewing support comfortable movement, and it features sleeve finger holes and a hem string. It is suitable for wearing on its own during outdoor activities or layering under outerwear.

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01 / 04

Why this product

Chosen because it preserves warmth with its light weight and supports unhindered movement.

  1. Lightweight insulating fabric

    Using 98g/m² Octa fabric, it wraps the body lightly, quickly dries sweat, and maintains body temperature.

  2. Cuts and sewing that enhance mobility

    Gusset patterns are added to the underarms and sewn with a flatlock method without seam allowances, so it does not catch on the skin even during large movements.

  3. Sleeve and hem adjustment details

    Hooking fingers through the finger holes at the sleeve ends prevents the sleeves from rolling up, and the light-reflective hem string tightens the width to block the wind.

WELTER EXPERIMENTWEL-4

Kyron Octa® Long Sleeves T-Shirt Charcoal

₩118,000Available for international purchaseOfficial product page ↗

This is a long-sleeved T-shirt made with 98g/m² Teijin Octa fabric. With an underarm gusset and flatlock seamless sewing, it moves comfortably, and features sleeve finger holes and a hem string. It is good to wear for drying sweat lightly and maintaining warmth during outdoor activities.

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01 / 04

Why this product

Here are elements that help keep warmth lightly during outdoor activities where sweat builds up.

  1. Lightweight thermal fabric

    It uses 98g/m² Teijin Octa fabric to lightly preserve body warmth and dry sweat quickly.

  2. Three-dimensional pattern and seamless sewing

    A gusset pattern is placed under the arms and finished with flatlock seamless sewing to reduce friction and help you move comfortably.

  3. Sleeve and hem adjustment details

    Sleeve finger holes prevent rolling up, and a 3M retroreflective drawcord wraps around the hem to adjust the circumference.

WELTER EXPERIMENTWEL-3

Kyron Octa® Long Sleeves T-Shirt White

₩118,000Available for international purchaseOfficial product page ↗

This is a long-sleeved T-shirt made with Teijin's Octa fabric. It features a zipper on the left side of the high neckline, finger holes on the sleeves, and a drawstring at the hem. Light and warm, it is great for outdoor activities.

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01 / 04

Why this product

It was chosen because it combines lightweight functional fabric with features that support movement.

  1. Teijin's Octa fabric

    It uses Teijin's Octa 98gsm fabric. It dries sweat quickly, is lightweight, and provides warmth as well.

  2. Gusset pattern and seamless flatlock stitching

    A gusset pattern was placed at the underarms along with flatlock seamless stitching. Partially, coverstitch sewing was added for finishing.

  3. Finger holes and retroreflective string

    Finger holes are placed on the sleeves so you can insert your fingers. A 3M retroreflective drawstring that reflects light was added at the hem.