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The Boost.Szn F80 M4 "Szn 01" Tee is the first official drop of our Euro Tuning Culture side. Clean lines, boosted performance, and timeless streetwear energy. Inspired by many car enthusiasts, this tee features a much exquisite and demanded color, Austin Yellow. It has modern modifications, paying tribute to the builds that define passion and precision.
Made from premium heavyweight cotton, this shirt delivers that authentic vintage feel — soft, durable, and built to last. Its relaxed, boxy fit gives you everyday comfort with that streetwear edge.
• 100% combed ring-spun cotton
• Fabric weight: 7 oz./yd.² (237.34 g/m²)
• Oversized relaxed fit
• Drop shoulder sleeves
• Ribbed collar reinforced neckline
• Product sourced from Bangladesh
This product is made especially for you as soon as you place an order, which is why it takes us a bit longer to deliver it to you. We want to give you the best quality we can, so when it reaches your doorstep, you are satisfied with your purchase!
Product Details
Made from premium heavyweight cotton, this shirt delivers that authentic vintage feel — soft, durable, and built to last. Its relaxed, boxy fit gives you everyday comfort with that streetwear edge.
• 100% combed ring-spun cotton
• Fabric weight: 7 oz./yd.² (237.34 g/m²)
• Oversized relaxed fit
• Drop shoulder sleeves
• Ribbed collar reinforced neckline
• Product sourced from Bangladesh
This product is made especially for you as soon as you place an order, which is why it takes us a bit longer to deliver it to you. We want to give you the best quality we can, so when it reaches your doorstep, you are satisfied with your purchase!
Size guide
| LENGTH (inches) | CHEST (inches) | SLEEVE LENGTH (inches) | |
| S | 28 ⅜ | 31-34 | 9 ¼ |
| M | 29 ⅛ | 35-38 | 9 ½ |
| L | 29 ⅞ | 39-41 | 9 ⅝ |
| XL | 31 ⅛ | 42-45 | 9 ⅞ |
| 2XL | 32 ⅛ | 46-48 | 10 |
Care & Maintenance
To maintain the looks and integrity of your purchase, we recommend treating it with care. Simple cleaning care, such as gentle washing, drying, and proper storage, can effectively preserve the longevity of your favorites.
Size & Fit
Our tees are made to fit true to size, ensuring that you can confidently select your usual size with ease. A relaxing, free-flowing design gives you the comfort and looks you deserve.