The Old Guy Jiu Jitsu T Shirt celebrates experience, patience, and the art of rolling smart. Featuring “OG” initials on the front pocket area and a bold back design with a bearded skull and the words “Old Guy Jiu Jitsu” alongside “Slow and steady wins the roll,” this shirt honors the veterans of the mats. Made from 100% organic combed ring-spun cotton, it offers lasting comfort and style. Whether you’re training or relaxing, the Old Guy Jiu Jitsu T Shirt is the perfect fit for every seasoned grappler.
• 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)
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 |
