Groundworks Jiu Jitsu Gear
2026 Plank Challenge 05 Minute Club
2026 Plank Challenge 05 Minute Club
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Proving to themselves they can do hard things, we are proud of our students who push themselves beyond their comfort zone.
We hope this shirt is worn with pride; it's been earned!
• 100% combed and ring-spun cotton
• Heather colors are 52% combed and ring-spun cotton, 48% polyester
• Athletic Heather is 90% combed and ring-spun cotton, 10% polyester
• Fabric weight: 4.2 oz/yd² (142 g/m2)
• Pre-shrunk fabric
• 32 singles
• Relaxed unisex fit
• Side-seamed construction
• Blank product sourced from Nicaragua, the US, Guatemala, or Honduras
Disclaimer: The fabric is slightly sheer and may appear see-through, especially in lighter colors or under certain lighting conditions.
Size guide
| WIDTH (inches) | LENGTH (inches) | |
| S | 15 ¼ | 20 ⅞ |
| M | 16 ¼ | 22 ⅛ |
| L | 17 ¼ | 23 ⅜ |
| XL | 18 ¼ | 24 ⅜ |
