ONX Combat Rash Guard – Long Sleeve

At ONX, every product starts with a simple philosophy: equipment should help athletes perform at their best without becoming a distraction.

The ONX Combat Rash Guard was engineered to deliver the ideal balance of compression, mobility, durability, and comfort. From the premium heavyweight fabric to the reinforced construction, every detail was selected to support athletes through thousands of training sessions. Built for daily use. Tested under pressure. Designed to keep up with the demands of serious athletes.

Built for daily use. Tested under pressure. Designed to keep up with the demands of serious athletes.

Training places constant stress on your body and your gear. The ONX Combat Rash Guard was built to provide the coverage, support, and durability serious athletes need to train with confidence. The long sleeve design protects against mat burn, skin irritation, and abrasion while delivering a compression fit that stays locked in through every round.

The long sleeve design helps protect against mat burn, skin irritation, and abrasion while delivering a secure compression fit that stays in place during movement. Whether you're rolling, sparring, lifting, running, or recovering, this shirt is designed to perform in every environment.

Ideal For:

MMA Training
Brazilian Jiu-Jitsu (BJJ)
Wrestling
Strength & Conditioning
Functional Fitness
Running & Endurance Training
Recovery Wear
Outdoor Training

Custom polyester and spandex blend

A premium performance blend engineered to deliver durability, flexibility, compression, and moisture management.

Polyester Benefits
Moisture-wicking performance
Fast drying
Exceptional durability
Long-lasting color retention
Spandex Benefits
High elasticity
Compression support
Shape retention
Unrestricted mobility

Domestic US Orders 

Turnaround Time

Every order is built for champions—give us time to prep and ship your gear. Quality takes time. Performance demands precision.

Carriers

We team up with trusted carriers to get your order to you, fast and secure:

• USPS
• UPS
• FedEx

Tracking Info

As soon as your gear hits the road, we’ll send you a tracking number—if the carrier provides one. (Heads up: USPS First Class sometimes ships silent—no tracking on that option.)

Shipping Costs

Shipping rates are based on weight, location, and carrier.  location. You’ll see your full shipping cost before you confirm your order—no surprises.

International Orders

Yes, we ship internationally. This is fight-grade equipment for a global standard of athlete*. 

We partner with DHL Express Worldwide for all international shipping.

We’ve chosen DHL as our preferred international shipping carrier because it offers superior tracking and reliability—helping to ensure your gear arrives safely and on time. 

Duties, Taxes, and Fees

Your ONX gear is crafted to perform at the highest level — wherever you train. Please note that customs duties, taxes, or import fees may be applied by your country’s authorities. These charges are not included in your order total and are the responsibility of the recipient upon delivery.

*Compliance with international shipping laws may apply.