WSI SportsWear - MADE IN USA

Protective Performance Apparel Made in the USA
Short Sleeve
Men's Long Sleeve Shirts
Men's Performance Pants
Men's Performance Shorts
Mens Cold weather Gear
Men's Sports Accessories
Men's performance sportswear & apparel
Women's Short Sleeve Shirts
Women's Long Sleeve Shirts
Women's Pants
Women's Performance Shorts
Women's Cold Weather Gear
Women's performance sports apparel
Cold Weather Performance Gear --Arctic WikMax
Pro WikMax®
Microtech Moisture Control Shirts and Pants
WikMax Arctic WikMax ProWikMax
Baseball Performance Apparel, baseball protective | WSI Sports
Fastpitch Softball performance and protective apparel
Hockey Performance Gear and protective Apparel
Football Performance Gear and protective Apparel
Cycling Performance Apparel
Tactical  Performance Apparel
Snow Sports Performance Apparel
Training Performance Apparel
Hunting & Outdoors Performance apparel
Performance Apparel for Every Sport
Team Specials
Event Sponsorship
Private Label
Custom Gear
Color Chart
Size Chart
Professional Endorsements
Design Contest
Our Videos
See WSI Apparel at the following Retailers

What is WikMax HEATR®?

WSI's® WikMax HEATR® products are the warmest garments you will find on the market. Our exclusive fabric technology is specially engineered by WSI for maximum warmth. Special fibers are woven into the fabric to interact with your own energy to keep you warm as possible, even in the coldest weather. HEATR® technology is designed, tested, and manufactured in Minnesota. 

100% Satisfaction Guaranteed.

We're sure that you'll find our WiKmax HEATR® line to be the warmest winter gear you've ever worn. If there is any reason you are not satisfied with our clothing, you can return it for your full money back within 30 days.

warmest baselayers

Ideal for temperatures of -10 to 50 degrees

Combine our exclusive HEATR® technology with the ultimate wicking power of WikMax® and you have our most comfortable mid-weight base layer yet. Ideal for temperatures of -10 to 50 degrees.

Our Warmest Gear
Ideal for temperatures from -20 to 50 degrees

Whoever said warmth and style don't go together has not seen our line of WikMax HEATR® base layers. Designed with our exclusive WikMax HEATR® fabric we've created the warmest base layer ever. Ideal for temperatures -20 to 50 degrees. You will never be cold again!

    Design Your Own Website, Today!
    iBuilt Design Software
    Give it a try for Free