WSI provides you with soft, comfortable, dry-fit, American-made clothing that increases athletic performance and allows you to be your best.
Born fighters with great pride, WSI Sports is proud to announce our partnership with sisters Antonina & Valentina Shevchenko. Valentina "The Bullet" is The current Women's flyweight champion. Antonina "La Pantera" is a Muay Thai fighter competes in the flyweight division. We have joined forces with these fierce and powerful sisters to create a new cutting edge high performance line to fit your active lifestyle. Pure quality, tested & designed by the pro’s!