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- Inspired by early sportswear warm-up and award jackets, the GA1 captures the relaxed elegance of vintage athletic style. The clean button-front design and classic proportions reflect the spirit of mid-century sportswear, offering a timeless look that feels familiar yet refined.
The outer shell is crafted from fine-wale stretch corduroy, chosen for its subtle texture and calm, understated appearance. It adds depth without being loud, giving the jacket a soft vintage character that works effortlessly with both casual and tailored outfits.
Inside, the jacket is lined with heat-retaining microfiber boa featuring moisture-wicking properties. This modern lining provides excellent warmth and comfort, creating a balanced hybrid of old-school design and contemporary functionality - true to the name, Golden Era Athletic.
| Material: | 98% Cotton 2% Polyurethane |
| Lining: | 94% Polyester 6% Rayon |
| Weight: | --- |
| Weaving Method: | Woven ( Pile Weave ) |
| Silhouette: | Regular Fit |
| Origin: | Made in Japan |
| Details: | |
| - Stretch Corduroy Shell | |
| - Polyester Pile Lining | |
| - Two-Tone Design | |
| - Underarm Ventilation Eyelets | |
| - Button Front | |
| - Raglan Sleeve | |
| Size | 38 | 40 | 42 | 44 |
|---|---|---|---|---|
| Shoulder | --- | --- | --- | --- |
| Chest | 114 | 118 | 122 | 126 |
| Waist | 53 | 55 | 57 | 59 |
| Hem | 46 | 48 | 50 | 52 |
| Sleeve Length | 80 | 82 | 84 | 86 |
| Arm Hole | --- | --- | --- | --- |
| Body Length | 64 | 66 | 68 | 70 |
• Slight variations may occur due to manual measurement.
• We recommend dry cleaning to preserve the garment.
- Measure straight across from shoulder seam to shoulder seam on the back.
- Measure straight across the front of the garment, from armpit to armpit.For size chart reference, chest measurement is shown as full circumference ( flat measurement x 2 ).
- Measure across the narrowest part of the shirt — from seam to seam — between the chest and the hem.
- Measure straight across the bottom edge of the shirt, from one side seam to the other — just above the curved hem.
- Measure from the top of the shoulder seam straight to the end of the cuff.
- Measure from seam of collar all the way down to the end of the cuff.
- Measure vertically from the shoulder seam down to the bottom of the armhole seam.
- Measure from the center of the base of the collar (just below the collar band) straight down to the bottom hem.
- Measure straight across the top of the waistband from edge to edge, then double the measurement.
- Measure the front rise from the crotch seam straight up to the top of the front waistband.
- Measure from the crotch seam to the top of the back waistband.
- Measure 7.5 cm (or 3 inches) up from the crotch seam, then go straight across from side to side while laid flat, then double the measurement.
- Measure horizontally from the crotch seam straight out to the outer edge of the thigh.
- Measure 33 cm (or 13 inches) down from the crotch seam along the inside leg seam.
- Measure straight across the leg from one side to the other.
- Measure from the crotch stitch all the way to the end of the leg.
- Measure straight across the bottom cuff — from one side of the leg opening to the other.
– Free domestic shipping on orders over ¥20,000 ( Tax included ).
– Free worldwide shipping is available, with thresholds varying by location.
– For more information, please refer to our Shipping Policy and Return & Refund Policy.