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2025.09.08

gym master x BLUE BLUE BOA FLEECE JK 25FW

Introducing a new boa fleece liner jacket made to order by BLUE BLUE for gym master!
Pre-orders will start on Monday, September 8, 2025 at our directly managed stores and the SEILIN ONLINE SHOP.

The Canadian underwear brand gym master and BLUE BLUE have teamed up to create a special series that garnered a great response when it was released in the Fall/Winter 2024 season.
This season we are adding a special fleece jacket.
Boa fleece liner jacket (No. 1017703) ¥16,500
Color: NATURAL, NAVY Size: S-XL

Based on the liner of the M-65 fishtail parka, it uses lightweight and soft double-sided boa fleece for excellent warmth. It can be worn alone, and by designing length a little longer,
It is a striking piece that can be worn like a coat.

The BLUE BLUE logo is embroidered on the left chest, adding a subtle accent to the rugged design.
gym master × BLUE BLUE / Fleece liner jacket
gym master × BLUE BLUE
¥16,500
gym master × BLUE BLUE / Fleece liner jacket
gym master × BLUE BLUE
¥16,500
Turn it inside out and you'll find a used M-65 fishtail parka,
It can be attached and detached as a liner for the vintage Tussar fishtail Coat and jacquard Denim fishtail Coat, which are available this season, making it highly versatile.


vintage Tasser fishtail Coat (No. 1017719) ¥63,800
September Delivery Date Color: OD, NAVY Size: S~XL

This fishtail coat is made of cotton woven on a shuttle loom and finished with a garment die.
By weaving the warp thread without using glue, it achieves natural softness and a calm texture.
In addition, by dyeing and washing after sewing, we bring out the texture that has been worn for many years.

Based on the US Army fishtail coat from the 1960s, with modern adjustments to the armholes and pocket positions,
The whole thing was neatly arranged while leaving a sense of volume.
It can be used as a light outerwear in the fall, and as a heavy outerwear with increased cold protection by attaching the GYM MASTER × BLUE BLUE fleece liner jacket sold separately in winter.


vintage fishtail Coat
BLUE BLUE
¥63,800
vintage fishtail Coat
BLUE BLUE
¥63,800
jacquard Denim fishtail Coat (No. 1017722) ¥52,800
Delivery date: September Color: INDIGO Size: S-XL

This is an authentic fishtail coat made from original denim.
BLUE BLUE 's original 7oz denim is made with 20-count yarn woven at high density in both the warp and weft directions, resulting in a tough, light denim that is firm and resilient while maintaining its thickness.

Based on a 1960s US military fishtail coat, we have adjusted the armholes and pocket positions to create a clean, tidy overall look while retaining a sense of volume, achieving a modern balance.
Attention to detail has been paid to the indigo-dyed cotton tape on the chest,
By replacing Material with denim, a more subdued atmosphere is added to this military-inspired piece. It can be worn as a light outerwear piece in the early autumn, and in the winter, by attaching the separately sold gym master x BLUE BLUE fleece liner jacket, it can be used as a heavy outerwear piece with enhanced cold protection.
jacquard denim fishtail coat
BLUE BLUE
¥52,800



Inquiries regarding this release: ⁄ Seilin & Co.
https://www.hrm.co.jp/

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