Men's Ninja Suit™ Board Shorts - Original Fit
Meet the next evolution of performance.
Our Signature Ninja Suit™ board shorts—constructed with our NinjaTech Air™ shell and built-in NinjaTech™ compression liner, delivering lightweight mobility on the outside with second-skin performance underneath.
Description
These premium men’s Jiu Jitsu board shorts feature our built-in NinjaTech™ compression liner, delivering a secure, second-skin fit with breathable, sweat-wicking performance. Skip the extra layers and experience locked-in support, reduced friction, and distraction-free training.
The FlowFit™ waistband—featuring dual elastic banding and a hidden internal drawstring—ensures a secure, low-profile fit without irritation or bulk, so you stay focused on performance, not adjustments.
Doubly reinforced flatlock stitching throughout enhances durability and flexibility, built to withstand the demands of high-intensity grappling.
As part of the Signature Ninja Suit™ system—powered by NinjaTech™ performance fabrics, these shorts are designed to pair seamlessly with our men's performance BJJ rashguards for a complete, competition-ready no-gi kit.
For competition use, our black men's Signature shorts are designed to meet International Brazilian Jiu-Jitsu Federation uniform requirements—delivering a modern, streamlined fit without compromising compliance.
Designed for athletes. Built for how you move.
Available in men’s extended sizes XXS – 3X.
Features
NinjaTech Air™ Shell
Lightweight, breathable, and abrasion-resistant outer shell engineered for unrestricted movement and long-term durability.
Built-in NinjaTech™ Liner
Buttery-soft, sweat-wicking compression liner for second-skin support, coverage, and friction reduction.
FlowFit™ Waistband
Dual elastic bands and a hidden internal drawcord provide a secure, stay-put fit without bulk or irritation.
Reinforced Flatlock Stitching
4-needle, 6-line flatlock seams enhance durability while maintaining full flexibility through every movement.
Masculine Cut
Men’s-specific tailoring, reinforced side vents, and a 6” inseam.
Extended Sizes
Offered in men’s extended sizes XXS – 3X to support a wide range of body types.
IBJJF Compliance (black color only)
Construction, fit, and logo placement designed in accordance with the latest IBJJF no-gi uniform rules for men. Applies to black colorway only.
Fabric Guide
Outer Shell
83% Nylon, 17% Elastane — engineered as our NinjaTech Air™ performance shell
Built-in Liner
80% Nylon, 20% Elastane — forms our NinjaTech™ compression liner
Graphics and design
Silver reflective logo with heat transfer application
Waistband core
100% Elastic
Drawstring
90% Polyester, 10% Spandex with silicone-dipped ends
Measure your hip around the widest part of your hip and your waist around the slimmest part of your waist.
| Size | Hip (in) | Waist (in) |
| XXS | 34-38 | 24-26 |
| XS | 34-38 | 26-28 |
| S | 37-41 | 28-30 |
| M | 39-43 | 30-32 |
| L | 41-45 | 32-34 |
| XL | 43-47 | 34-36 |
| 2X | 45-49 | 36-39 |
| 3X | 47-51 | 39-42 |
| 4X | 49-53 | 41-44 |










