Precautions for pre-orders

In principle, we cannot accept cancellations or returns for pre-ordered orders.

In addition, shipping may be delayed due to production circumstances. Please note.


Artisan pattern maker by hand

eco package


Stringer type tank top with wide open arms, back and neck. Designed for those who want to constantly interact with their own muscles. 100% cotton, using carefully selected extra-long cotton with a fiber length of 35 mm or more, it is characterized by its smooth texture and luster of the fiber. The dyeing process is more stretchy than before, achieving both an elegant firmness and comfort.

  • Reliable MADE IN JAPAN with a commitment to quality
  • The "Dragon" logo, which expresses strength, gives you power.
  • Comfortable material that is compatible with training
  • Standard style ideal for gym training

■ Product details

- material
(Body: 100% cotton)
- Made in Japan
- Model NO-STR-043

size Length Width shoulder width hem width
M. 71.1 49.2 24.5 51
L. 73.1 52.2 twenty five 54
XL 75.1 55.2 25.5 57

▼Reference size (in the case of height standard)
M : 160-170cm
L: 168-178cm
XL: 175-182cm

▼ Photo model: Alvaro wearing XL size
Height 178cm Chest 120cm Waist 80cm Inseam 75cm Weight 90kg


▼Hidemasa Yamagishi wearing XL size <br>Hidemasa Yamagishi Height 168cm

*In the case of elastic fabric, there may be errors in size.

Care instructions

*Please refrain from using a dryer as it may cause the print to peel off and the fabric to stretch.

・Avoid using bleach.
・Do not soak, do not soak for a long time or leave it wet.
・Use a net when washing, and after washing, adjust the shape before drying.
・Dye may transfer when washed with water, so wash separately from other items.
・Avoid ironing the printed part.

For accurate care instructions, please follow the precautions listed on the product's washing and quality label.

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This tank top will motivate you.

Attractive shoulder muscles and back

STIMIRON's stringer tank top is produced with the theme of "charming". The design is simple, with wide arms, shoulders and back to motivate you to look at your body in the mirror.

100% cotton soft to the touch

This stringer tank top is made of 100% cotton and features a gentle texture. It can be said that the comfort when touching the bare skin is exactly the high-quality feel. Especially for those who do muscle training, they often wear it for a long time, so materials that are gentle on the skin are essential. The more comfortable you are, the more effective your training will be. Experience the gentle texture of 100% cotton.

Impressive front and back design

This stringer type tank top has a simple dragon logo design on the front, and an impressive design with color switching and STIMIRON letters on the back.


This is a discerning piece produced in a sewing factory in Japan. Under strict quality control, careful sewing is applied, and high quality resides in each piece. You can use it for a long time with the technology and quality that Japan boasts. The peace of mind and high quality of MADE IN JAPAN will support your performance in the sports scene.

“I thought about what would suit my attractive body as a bodybuilder, and that style.”

Gain self-confidence through training.
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2 color variations

WHITE - simple classic color

The standard color "white" for training apparel gives a bright and clean impression.

Black - chic and mature color

The chic and cool impression of "black" gives a simple and stylish impression.

best dragon line for training

Dragon Series

March 2023. Hidemasa Yamagishi declared his return to the contest. We created a new apparel design line for HIDE YAMAGISHI, which competes in the world with the concept of "challenge" in the future.

Designing the strength of Hidemasa Yamagishi

Origin of dragon

Once called the Bruce Lee of the bodybuilding world, the dragon is now Hidemasa Yamagishi's trademark. As a new line of STIMIRON, we created the "Iron Dragon Logo" with the motif of the dragon that can be seen on the left arm.

STIMIRON's most important point when choosing fabrics

Pursued comfort

I was particular about comfort so that it would be easy to use for training. We wanted a comfortable fabric for dumbbell training, machine movement, and aerobic exercise.

what the dragon shows

Symbol of courage and challenging spirit

STIMIRON's dragon series expresses the "spirit of continuing to challenge" itself. The dragon, which is a symbol of strength, power and courage, is central to the design concept.