Beware of Dog Oxygen Football Mouthguard

$22.99 /
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In high demand! 32 active carts

✓ No Boiling Required
✓ Built for Airflow
✓ Convertible Strap
"Beware of Dog" Oxygen Football Mouthguard by Battle Sports
"Beware of Dog" Oxygen Football Mouthguard by Battle Sports
"Beware of Dog" Oxygen Football Mouthguard by Battle Sports

Beware of Dog Oxygen Football Mouthguard

✓ No Boiling Required
✓ Built for Airflow
✓ Convertible Strap

Select an option to add this to your cart.

1. Select Color:

Beware of Dog Oxygen Football Mouthguard — Savage Warning Style, Max Airflow & No-Boil Comfort

The Beware of Dog design sends a message before the snap—built on the patented Oxygen platform athletes trust for breathable comfort, high-impact protection, and an instant no-boil fit. Convertible strap lets you play strapped or strapless.

Design Drop: Beware of Dog

A tough, warning-sign style graphic made for players who hit different. Same Oxygen airflow and protection—now with a look that says “don’t test it.”

Product Overview

Engineered for elite performance, the Oxygen Convertible Strap Mouthguard is the gold standard in airflow, comfort, and protection. Designed by athletic, dental, and medical experts, this patented mouthpiece delivers unmatched breathability—no boiling required.

Whether you're wearing braces or not, Oxygen delivers serious protection and style. With its attachable strap, advanced airflow design, and bold looks like Beware of Dog, it's built to elevate your game—and your gear.

Wearing Oxygen with Braces

Learn how to wear a braces mouthguard here: Braces Mouthguard Guide

Key Features

  • ✅No Boiling Needed: Ready to wear out of the box
  • 🦷Braces-Compatible: Fits over orthodontics comfortably
  • 💨Maximum Breathability: Largest breathing channel on the market
  • 🤿SCUBA-Inspired Design: Keeps oxygen flowing through every play
  • 🛡️Absorber Shield: Protects against high-impact collisions
  • 🔁Convertible Strap: Play with or without the attachable strap
  • 🐶Beware of Dog Graphic: Warning-style design made to intimidate
  • Football
  • Youth–Adult
  • Braces or No Braces
  • No-Boil Ready
  • Max Airflow
  • Strap or Strapless
Tech Specs
Model Battle Oxygen Convertible Strap Mouthguard
Fit Type No-boil, ready-to-wear (braces-compatible)
Breathability Patented SCUBA breathing innovation for increased airflow
Protection Absorber Shield design for high-impact collisions
Strap Convertible / attachable strap (wear strapped or strapless)
Construction Advanced composite construction for comfort and durability
Design Beware of Dog warning-style graphic

Do I Need to Boil This Mouthguard?

No. Oxygen is a no-boil mouthguard designed to be worn right out of the package—no molding, no mess.

Can I Wear Oxygen with Braces?

Yes. Oxygen is built to fit comfortably over orthodontics while still providing airflow and protection.

Care Tip

Rinse after use and air dry completely. Keeping the breathing channel clear helps you get maximum airflow and comfort.

Frequently Asked Questions

Is the Beware of Dog version different from standard Oxygen?

Performance is the same patented Oxygen mouthguard—this is a design drop with the Beware of Dog graphic.

Is Oxygen ready to wear?

Yes. Oxygen is no-boil and ready to wear right out of the box.

Can I use this mouthguard with braces?

Yes. Oxygen is braces-compatible and designed to fit comfortably over orthodontics.

Do I have to use the strap?

No. The strap is attachable, so you can play with or without it depending on preference and league rules.

How do I clean an Oxygen mouthguard?

Rinse after use, gently clean with mild soap, and let it air dry completely before storing.

Who is the Beware of Dog design best for?

Players who want an aggressive warning-style look while keeping elite airflow, comfort, and protection.

Warranty

Unlimited Defective Guarantee + $5,000 Dental Warranty

Battle backs Oxygen with an Unlimited Defective Guarantee and a $5,000 Dental Warranty—valid with or without braces.

Learn More About Mouthguards, Braces & Care

Beware of Dog Oxygen Football Mouthguard — Savage Warning Style, Max Airflow & No-Boil Comfort

The Beware of Dog design sends a message before the snap—built on the patented Oxygen platform athletes trust for breathable comfort, high-impact protection, and an instant no-boil fit. Convertible strap lets you play strapped or strapless.

Design Drop: Beware of Dog

A tough, warning-sign style graphic made for players who hit different. Same Oxygen airflow and protection—now with a look that says “don’t test it.”

Product Overview

Engineered for elite performance, the Oxygen Convertible Strap Mouthguard is the gold standard in airflow, comfort, and protection. Designed by athletic, dental, and medical experts, this patented mouthpiece delivers unmatched breathability—no boiling required.

Whether you're wearing braces or not, Oxygen delivers serious protection and style. With its attachable strap, advanced airflow design, and bold looks like Beware of Dog, it's built to elevate your game—and your gear.

Wearing Oxygen with Braces

Learn how to wear a braces mouthguard here: Braces Mouthguard Guide

Key Features

  • ✅No Boiling Needed: Ready to wear out of the box
  • 🦷Braces-Compatible: Fits over orthodontics comfortably
  • 💨Maximum Breathability: Largest breathing channel on the market
  • 🤿SCUBA-Inspired Design: Keeps oxygen flowing through every play
  • 🛡️Absorber Shield: Protects against high-impact collisions
  • 🔁Convertible Strap: Play with or without the attachable strap
  • 🐶Beware of Dog Graphic: Warning-style design made to intimidate
  • Football
  • Youth–Adult
  • Braces or No Braces
  • No-Boil Ready
  • Max Airflow
  • Strap or Strapless
Tech Specs
Model Battle Oxygen Convertible Strap Mouthguard
Fit Type No-boil, ready-to-wear (braces-compatible)
Breathability Patented SCUBA breathing innovation for increased airflow
Protection Absorber Shield design for high-impact collisions
Strap Convertible / attachable strap (wear strapped or strapless)
Construction Advanced composite construction for comfort and durability
Design Beware of Dog warning-style graphic

Do I Need to Boil This Mouthguard?

No. Oxygen is a no-boil mouthguard designed to be worn right out of the package—no molding, no mess.

Can I Wear Oxygen with Braces?

Yes. Oxygen is built to fit comfortably over orthodontics while still providing airflow and protection.

Care Tip

Rinse after use and air dry completely. Keeping the breathing channel clear helps you get maximum airflow and comfort.

Frequently Asked Questions

Is the Beware of Dog version different from standard Oxygen?

Performance is the same patented Oxygen mouthguard—this is a design drop with the Beware of Dog graphic.

Is Oxygen ready to wear?

Yes. Oxygen is no-boil and ready to wear right out of the box.

Can I use this mouthguard with braces?

Yes. Oxygen is braces-compatible and designed to fit comfortably over orthodontics.

Do I have to use the strap?

No. The strap is attachable, so you can play with or without it depending on preference and league rules.

How do I clean an Oxygen mouthguard?

Rinse after use, gently clean with mild soap, and let it air dry completely before storing.

Who is the Beware of Dog design best for?

Players who want an aggressive warning-style look while keeping elite airflow, comfort, and protection.

Warranty

Unlimited Defective Guarantee + $5,000 Dental Warranty

Battle backs Oxygen with an Unlimited Defective Guarantee and a $5,000 Dental Warranty—valid with or without braces.

Learn More About Mouthguards, Braces & Care

Size Chart

Processing Time
Orders placed after 11:00 AM CST ship the next business day. No weekend shipments.

Contiguous U.S. Shipping Options

Free: Orders $30+ • 5 to 7 business days
Standard: $4.99 • 4 to 6 business days
Priority: $8.99 • 3 to 5 business days
Expedited: $18.99 • 2 to 3 business days
Express: $28.99 • 1 to 2 business days

Expedited and Express orders receive priority warehouse processing. Delivery dates are not guaranteed.

International
Shipping is calculated at checkout.

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Beware of Dog Oxygen Football Mouthguard
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Size Chart

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