SHIELD Info

SHIELD INFO
WARNING
- Antimicrobial properties built in to protect the product. This non-medical product is not designed nor intended to protect the user or others from pathogens. This product does not eliminate the risk of contracting any disease or infection.
- Failure to properly use and maintain this product could result in illness or even death.
- For adult use only.
- Avoid hand contact within the interior part of the mask. For best results, wash regularly. If the mask becomes damaged or breathing becomes difficult, leave the contaminated area and replace and refit with a new mask.
- This face mask is authorized for distribution under FDA enforcement discretion only for the duration of the declaration that circumstances exist justifying the authorization of the emergency use of face masks under section 564(b)(1) of the Act, 21 U.S.C. Section 360bbb-3(b)(1), unless the authorization is terminated or revoked sooner.
- THIS MASK IS NOT A RESPIRATOR OR A SURGICAL MASK. The mask, nor these statements, have been FDA cleared or approved. This product has not been NIOSH approved and it may or may not meet fluid barrier or filtration efficiency levels. It is recommended for use only by the general public. It is NOT recommended for use in: (1) any surgical setting or where exposure to liquid, bodily or other hazardous fluids, may be expected; (2) any clinical setting where there is an infection risk through inhalation exposure; or (3) the presence of a high intensity heat source or flammable gas.
- Please remember that use of face masks is not intended to replace other recommended measures to stop the community spread of COVID-19, such as social distancing, washing your hands and refraining from touching your face. The decision to use this mask is solely your own. Follow the latest advice of the CDC and your own health care professionals as to how best to keep yourself and others safe.
IMPORTANT NOTICE
To the extent permitted by law, Seirus shall not be liable for any loss or damage including any loss of business, loss of profits, or for any indirect, special, incidental or consequential loss or damage arising from reliance upon any information herein provided by Seirus. Nothing in this statement will be deemed to exclude or restrict Seirus’ liability for death or personal injury arising from its negligence.
All information provided herein is based on the latest data available at the time of publication. Seirus reserves the right to make changes at any time without prior notice. For additional information, please contact Seirus.
Neither HeiQ’s worldwide anti-viral approvals nor this product have been cleared or approved by the FDA.
Antimicrobial properties built in to protect the product. This product does not protect users or others against human pathogens including bacteria, viruses, germs or other disease organisms. Always clean or wash this product thoroughly after each use
What Powers Our Base Layers?
Heatwave™ Technology—the ultimate innovation in warmth, built to keep you comfortable no matter how cold it gets.
🔥 Reflective Stage – Reflects your body heat back to you, keeping warmth where you need it.
⚡ Kinetic Stage – Your movement fuels the heat, turning energy into extra warmth.
When combined, it’s like having your own personal heat engine—lightweight, powerful, and always working to keep you warm.



Find Your Perfect Base Layer


Shop Heatwave Base Layers
No matter where your adventures take you, our base layers are designed to keep you comfortable, dry, and ready for anything. Explore our styles to find the perfect fit for your activity and the weather ahead.

All Season
Versatile | Lightweight & Buildable Warmth | All Activities | All Climates

Reflective
Versatile | Midweight Warmth | Medium-Intensity Activities | Colder Climates

Performance
Performance | Max Wicking | Targeted Warmth | Medium to High-Intensity Activities

Winter Weight
Heaviest | Maximum Warmth | Low to Medium-Intensity Activities | Coldest Climates
Shop All
Coreshield™ Storm Layer Jacket
Coreshield™ Storm Layer Jacket
Mens Heatwave™ Performance Base Layer Crew Top
Mens Heatwave™ Performance Base Layer Crew Top
Women's Heatwave™ Performance Base Layer 1-4 Zip Crew Top
Women's Heatwave™ Performance Base Layer 1-4 Zip Crew Top
Men's Heatwave™ Performance Base Layer Bottom
Men's Heatwave™ Performance Base Layer Bottom
Women's Heatwave Performance Base Layer Bottom
Women's Heatwave Performance Base Layer Bottom
Men's Heatwave™ Winter Weight Base Layer Crew Top
Men's Heatwave™ Winter Weight Base Layer Crew Top
Women's Heatwave™ Winter Weight Base Layer Crew Top
Women's Heatwave™ Winter Weight Base Layer Crew Top
Men's Heatwave™ Winter Weight Base Layer Bottom
Men's Heatwave™ Winter Weight Base Layer Bottom
Women's Heatwave™ Winter Weight Base Layer Bottoms
Women's Heatwave™ Winter Weight Base Layer Bottoms
Women's Heatwave™ All Season Base Layer Top
Women's Heatwave™ All Season Base Layer Top
Men's Heatwave™ All Season Base Layer Crew Top
Men's Heatwave™ All Season Base Layer Crew Top
Women's Heatwave™ All Season Base Layer Bottoms
Women's Heatwave™ All Season Base Layer Bottoms
Men's Heatwave™ All Season Base Layer Bottoms
Men's Heatwave™ All Season Base Layer Bottoms
Mens Heatwave™ Performance Base Layer ¼ Zip Mock Neck Top
Mens Heatwave™ Performance Base Layer ¼ Zip Mock Neck Top
Women's Heatwave™ Performance Base Layer ¼ Zip Mock Neck Top
Women's Heatwave™ Performance Base Layer ¼ Zip Mock Neck Top
Mens Heatwave™ Performance Base Layer Quick Hoodie Top
Mens Heatwave™ Performance Base Layer Quick Hoodie Top
Womens Heatwave™ Performance Base Layer Quick Hoodie Top
Womens Heatwave™ Performance Base Layer Quick Hoodie Top
Mens Heatwave™ Reflective Base Layer Top
Mens Heatwave™ Reflective Base Layer Top
Womens Heatwave™ Reflective Base Layer LS Top
Womens Heatwave™ Reflective Base Layer LS Top
Womens Heatwave™ Reflective Base Layer Bottoms
Womens Heatwave™ Reflective Base Layer Bottoms
Mens Heatwave™ Reflective Base Layer Bottoms