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"Rough World" Porsche 911 T-Shirt | Air-Cooled Outlaw Build Custom Widebody Tuner Lifestyle Tee
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Size chart
All purchases are final sale. Exchanges/refunds will not be given for buyer error or remorse. Below, we show you how to measure yourself and the sizes based on apparel type. Pro tip! Measure one of your similar items at home and compare it with the measurements you see in this guide.
Product measurements may vary by up to 2" (5 cm).

Unisex T-shirts |
Length (in-cm) | Width (in-cm) |
|
Small |
28 - 71.1 | 18 - 45.7 |
|
Medium |
29 - 73.7 | 20 - 50.8 |
|
Large |
30 - 76.2 | 22 - 55.9 |
|
X Large |
31 - 78.7 | 24 - 61 |
|
2X Large |
32 - 81.3 | 26 - 66 |
|
3X Large |
33 - 83.8 | 28 - 71.1 |
Button-Up Shirts |
Width (in) | Length (in) | Sleeve (in) |
| 2XS | 20 ½ | 30 ⅛ | 10 ¼ |
| XS | 21 ¼ | 30 ½ | 10 ¼ |
| Small | 22 | 30 ⅞ | 10 ¼ |
| Medium | 22 ¾ | 31 ¼ | 10 ¼ |
| Large | 24 ⅜ | 32 ⅛ | 10 ⅜ |
| XL | 26 | 32 ⅞ | 10 ⅝ |
| 2XL | 27 ⅝ | 33 ¾ | 10 ¾ |
| 3XL | 29 ⅛ | 35 | 11 |
| 4XL | 30 ¾ | 35 ¾ | 11 ¼ |
| 5XL | 32 ¼ | 36 ⅝ | 11 ⅜ |
| 6XL | 33 ⅞ | 37 ⅜ | 11 ⅝ |
| Polo Shirts (Slim Fit) | Length (in) | Chest width (in) |
| XS | 27 ¾ | 19 |
| S | 28 ¼ | 19 ¾ |
| M | 28 ½ | 20 ½ |
| L | 29 | 21 ¼ |
| XL | 29 ¼ | 22 |
| 2XL | 29 ¾ | 22 ¾ |
| 3XL | 30 ¼ | 23 ½ |
Hoodies |
Length (in) | Width (in) |
| Small | 27 | 20 |
| Medium | 28 | 21 |
| Large | 29 | 23 |
| XL | 30 | 25 |
| 2XL | 31 | 26 1/2 |
| 3XL | 32 | 28 |
Raglan shirts |
Length (in) | Width (in) |
| XS | 26 | 16 ½ |
| Small | 28 | 18 |
| Medium | 29 | 20 |
| Large | 30 | 22 |
| XL | 31 | 24 |
| 2XL | 32 | 26 |
Women's T-Shirts |
SHIRT WIDTH | SHIRT LENGTH | US SIZES | EU SIZE | UK SIZE |
| Small | 18.5 | 25.25 | 6-8 | 36-38 | 10-12 |
| Medium | 20 | 26 | 10-12 | 40-42 | 14-16 |
| Large | 22 | 26.75 | 14-16 | 44-46 | 18-20 |
| XL | 24 | 27.5 | 18-20 | 48-50 | 22-24 |
| 2XL | 26 | 28.25 | 22-24 | 52-54 | 26-28 |
| 3XL | 28 | 29 | 26-28 | 56-58 | 30-32 |
"Rough World" Porsche 911 T-Shirt | Air-Cooled Outlaw Build Custom Widebody Tuner Lifestyle Tee | Gift for Porsche Fans & Air-Cooled Enthusiasts
Rough world. A direct play on the legendary RWB (Rauh-Welt Begriff) name that Akira Nakai built into a global air-cooled Porsche culture phenomenon over the last two decades. Rauh-Welt literally translates from German as "Rough World" — and the philosophy behind the name perfectly captures everything the modern outlaw 911 scene actually represents. The rough world is the place where vintage air-cooled Porsches don't sit in climate-controlled garages waiting to be polished for concours events. The rough world is where these cars get cut, flared, slammed, driven hard, abused affectionately, and turned into deeply personal statements of who their owners actually are.
The 911 — Porsche's most legendary chassis, produced since 1963, with that unmistakable rear-engine air-cooled flat-six configuration that defined an entire automotive philosophy — became the perfect canvas for the rough world ethos. Flared fenders bolted on with exposed hardware. Aggressive stance dropped low enough to make purists physically wince. Mismatched paint, fender-mount mirrors, custom interiors with worn leather, ducktail spoilers, whaletail wings, period-correct Fuchs wheels or aggressive aftermarket options. Every rough world 911 is its own statement — and the global community of outlaw 911 builders, RWB followers, Magnus Walker-inspired daily drivers, Singer-spec dreamers, and backyard cutters has made this one of the most respected, most personal subcultures in all of car culture. Wear the philosophy that the rough world of air-cooled Porsches actually runs on.
Perfect for air-cooled 911 obsessives, RWB pilgrims, Magnus Walker outlaw build appreciators, Singer Vehicle Design dreamers, custom Porsche scene fans, vintage 911 restorers (and modifiers), fender-mount mirror diehards, ducktail and whaletail purists, Idlers Club enthusiasts, and anyone who knows the rough world of air-cooled Porsches is one of the most personal canvases in all of car culture. A perfect gift for the friend whose dream 911 isn't a museum piece — it's a personal statement that gets driven, gets dirty, and gets modified into something that's entirely theirs.
This tee is everything you've dreamed of and more. It feels soft and lightweight, with the right amount of stretch. It's comfortable and flattering for all — at the meet, at the show, or anywhere a properly rough-world air-cooled 911 deserves the second look it's about to get.
- 100% combed and ring-spun cotton (Heather colors contain polyester)
- Fabric weight: 4.2 oz/yd² (142 g/m²)
- Pre-shrunk fabric
- Side-seamed construction
- Shoulder-to-shoulder taping
- Blank product sourced from Guatemala, Nicaragua, Mexico, Honduras, or the US
Size guide
| LENGTH (inches) | WIDTH (inches) | CHEST (inches) | |
| S | 28 | 18 | 34-37 |
| M | 29 | 20 | 38-41 |
| L | 30 | 22 | 42-45 |
| XL | 31 | 24 | 46-49 |
| 2XL | 32 | 26 | 50-53 |
| LENGTH (cm) | WIDTH (cm) | CHEST (cm) | |
| S | 71.1 | 45.7 | 86.4-94 |
| M | 73.7 | 50.8 | 96.5-104.1 |
| L | 76.2 | 55.9 | 106.7-114.3 |
| XL | 78.7 | 61 | 116.8-124.5 |
| 2XL | 81.3 | 66 | 127-134.6 |
All sales are final unless the item is defective, damaged, or the wrong one was sent.
It is very important you order the right size - exchanges/refunds will not be given for buyer error or remorse. Read more here.
Adding product to your cart
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
This website is encrypted. We take your security very seriously. All transactions powered by Shopify.
Rates are approximations. Exact rates will be provided at checkout.
Shipping estimator















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