Jin merch shirt: choosing a t-shirt that really feels like Seokjin

Why a t-shirt is the easiest Jin piece to own

A t-shirt is where most fan wardrobes start, and for good reason. It costs less than a sweatshirt, it goes with almost everything, and it is the piece you are most likely to reach for on an ordinary Tuesday, not only on concert nights.

It also suits Jin especially well. His public image mixes elegance and silliness in equal measure: the worldwide handsome who also sings about tuna. A shirt lets you pick which side to show, and wear it without making a big announcement about it.

Pick the Seokjin you love most

Before scrolling through designs, think about which part of his story means most to you, or to the friend you are buying for. Each of these references says something slightly different:

• The Astronaut, his 2022 solo single co-written with Coldplay, released just before he began his military service: emotional, gentle and full of stars.
• Happy, his 2024 solo album, bright and playful, with songs like Heart on the Window.
• Echo, his 2025 album, with the title track Don't Say You Love Me: a more grown-up, bittersweet mood.
• Super Tuna, the comic song he released in 2021 as a gift to fans: pure joy, impossible to take seriously.
• His initials, KSJ for Kim Seokjin: the most discreet and timeless option.

Oversized or fitted: the cut matters as much as the design

Most fan t-shirts today are oversized, with dropped shoulders and a longer body. That cut is comfortable and very forgiving, but it is also where size labels mislead the most. Measure the width and length of a t-shirt you already love, lay it flat, and compare those numbers in centimetres with the ones on the product page.

If you want a relaxed look without drowning in fabric, keep your usual size. If you like a dramatic, dress-length fit to wear with bike shorts or leggings, go one size up. Look at where the embroidery sits too: a chest design is classic, while embroidery on the sleeves or cuffs is a quieter detail that fans notice up close.

Three ways to wear it in autumn and winter

A t-shirt does not have to wait for summer. With a few layers, it works right through the cold months.

• Under an open shirt or cardigan, with straight jeans and white trainers: the embroidery peeks out, the outfit stays relaxed.
• Half-tucked into a high-waisted skirt with tights and boots, for a softer, more polished look.
• Under a long coat and a scarf, with the sleeves pushed up when you get indoors, so any embroidered cuffs show.

Caring for an embroidered shirt

In general it is a good idea to wash embroidered pieces inside out, on a gentle cycle at low temperature, and to skip the tumble dryer, which can make the fabric around the stitches pucker. If you need to iron, do it inside out too, never directly on the embroidery. Treated this way, a cotton t-shirt keeps its shape and its design for a long time.

It also helps to dry it flat or on a hanger, away from direct heat, and to fold it rather than hang it for months if the fabric is heavy. Small habits like these are what keep a favourite shirt looking new after dozens of wears.

Our Jin t-shirts

At Mima&Lulù⁷ we are two ARMY in Rome: we design and embroider every piece ourselves in Italy. Our designs are fanmade, inspired by BTS and not affiliated with BTS, HYBE or BigHit Music. Each of these comes as an oversized t-shirt in 100% cotton or as a sweatshirt, in sizes S to 2XL:

• ASTRONAUT, from €34.90, for fans who still get emotional at the first notes of The Astronaut.
• HAPPY, from €36.90, with embroidery on both sleeves.
• DON'T SAY YOU LOVE ME, from €34.90, inspired by the title track of Echo.
• KSJ - Kim Seokjin, from €34.90, from our Bias Collection, with embroidery on both cuffs.

Ordering for December

Jin turns 34 on Friday, December 4, 2026, three weeks before Christmas, so many fans buy one gift for both dates. Each piece is ready in about 7 days from payment confirmation, plus the courier time you choose at checkout. We ship worldwide; shipping is free in Italy over €89 and in the European Union over €119, with no free shipping outside the EU. Order by mid-November to be safe, and sign up to our newsletter for 10% off your first order.