The In Triangles We Trust BJJ T Shirt celebrates one of Jiu Jitsu’s most iconic submissions with a bold, vintage varsity design. Perfect for practitioners who live by the triangle choke, this tee blends old-school style with modern comfort. Made from 100% organic combed ring-spun cotton, it feels soft yet durable, ideal for post-training hangouts or everyday wear. With its clean look and athletic edge, the In Triangles We Trust BJJ T Shirt is a must-have for anyone who loves the art, flow, and philosophy of Brazilian Jiu Jitsu.
• 100% organic combed ring-spun cotton
• Fabric weight: 5.3 oz./yd.² (180 g/m²)
• Regular fit
• Set-in sleeves
• 1 × 1 rib at collar
• Double-needle topstitch on the sleeves and bottom hems
• Self-fabric neck tape on the inside of the back
• The fabric of this product holds certifications for its organic cotton content under GOTS (Global Organic Textile Standard) and OCS (Organic Content Standard)
• Blank 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. Making products on demand instead of in bulk helps reduce overproduction, so thank you for making thoughtful purchasing decisions!
Age restrictions: For adults
EU Warranty: 2 years
In compliance with the General Product Safety Regulation (GPSR), Oak inc. and SINDEN VENTURES LIMITED ensure that all consumer products offered are safe and meet EU standards. For any product safety related inquiries or concerns, please contact our EU representative at gpsr@sindenventures.com. You can also write to us at 123 Main Street, Anytown, Country or Markou Evgenikou 11, Mesa Geitonia, 4002, Limassol, Cyprus.
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 |
| 3XL | 33 ⅛ | 49-51 | 10 ¼ |
| 4XL | 33 ⅞ | 52-54 | 10 ¼ |
| 5XL | 34 ⅝ | 55-57 | 10 ¼ |
| LENGTH (cm) | CHEST (cm) | SLEEVE LENGTH (cm) | |
| S | 72 | 78.7-86.4 | 23.5 |
| M | 74 | 89-96.5 | 24 |
| L | 76 | 99-104.1 | 24.5 |
| XL | 79 | 106.7-114.3 | 25 |
| 2XL | 81.5 | 116.8-122 | 25.5 |
| 3XL | 84 | 124.5-129.5 | 26 |
| 4XL | 86 | 132-137.2 | 26 |
| 5XL | 88 | 139.7-144.8 | 26 |