Muji Warm Cotton Innnerwear
2025-09-08 04:30:57

Introducing Muji's New Warm Cotton Innerwear Series for Comfort in Winter

Discover Muji's New Warm Cotton Innerwear Series



Muji, known for its commitment to quality and functionality, has officially launched its new warm cotton innerwear series effective September 15. This innovative collection, offered by Ryohin Keikaku Co., Ltd., combines comfort with practicality, making it an ideal choice for varying winter temperatures and indoor conditions.

In today’s climate, characterized by milder winters, clothing must do more than simply keep us warm. It must also adapt to daily temperature fluctuations, ensuring a comfortable wearing experience throughout various environments. Muji's warm cotton innerwear is designed to keep you at ease during your commutes as well as your outdoor adventures. Notably, the fabric provides effective temperature regulation, making it suitable for both indoor and outdoor settings.

When it comes to sleep, the natural softness of the material creates an inviting atmosphere for restorative rest. Additionally, for those who enjoy winter sports, wearing the warm cotton inner layer can mitigate skin irritation caused by harsher fabrics, promoting comfort regardless of the activity.

Product Features



Moisture-Absorbing Heat Retention


Crafted primarily from organic cotton, Muji’s warm cotton innerwear features special technology that enhances its moisture-retaining and heat-generating capabilities. This ensures a cozy fit that retains warmth without compromising on style or comfort.

Reduced Static Electricity


The inherent properties of cotton make it less prone to static build-up. This feature becomes especially beneficial in the dry autumn and winter months, where static can be a nuisance. The cotton material helps maintain comfort, eliminating concerns about irritating pricks and itches.

Skin Moisture Preservation


Unlike synthetic fibers that often lead to dryness and irritation, cotton's moisture-retaining characteristics actively work to prevent skin dryness. This makes Muji's warm cotton innerwear an excellent choice for maintaining skin comfort throughout winter.

Key Design Elements



100% Cotton Construction


Listening to customer feedback, Muji has transitioned its entire warm cotton innerwear line to be 100% cotton. From fabric to sewing techniques and patterns, every detail is aligned to enhance comfort for the wearer. As part of this commitment, the neckline also features the same high-quality cotton material.

Seamless Design


Focusing on comfort, the regular versions of the innerwear utilize a seamless, tubular knitting technique. This prevents skin irritation while offering maximum comfort. Thicker and wool-blend options have an additional brushed finish on the skin side, ensuring warmth and gentleness on touch.

Innovative Wash Care Indicators


To prevent discomfort caused by typical tags, washing instructions are printed directly on the inside of the fabric. Utilizing pad printing minimizes thickness and hardness, reducing potential irritation on the skin.

Highlights of the Warm Cotton Innerwear Series


  • - Thin Warm Cotton: Utilizing fine threads, this lightweight variant is perfect for transitional weather conditions in fall and spring while remaining discreet under tops. Its seamless design enhances comfort.
  • - Thick Warm Cotton: Crafted from pure cotton, the brushed surface provides a soft touch and warmth. Its adaptable thickness makes it a great choice as both a standalone piece or layered under cardigans during the chillier months.
  • - Warm Cotton Wool Blend: This version combines cotton and wool, providing a plush feel with excellent stretch. Its thicker design suits outdoor wear during the peak of winter, offering true versatility in styling.

As we look to the future, Muji is committed to enhancing lives through quality clothing, food, and household products made from natural materials, contributing to a better living environment. Explore the warm cotton innerwear series here.


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Topics Consumer Products & Retail)

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