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  • 2017 SISU Tech Race Shirt
    The All NEW TEAM SISU Tech Shirts.  Throw the Hammer down and let the rest know this is not a game and you are not playing.     - 100% Polyester moisture management/antimicrobial performance fabric   - Self-fabric collar   - Badger sport..
  • SISU 24 Thermal Shirt
    SISU Next Level Goat 24 Thermal The Goat is on the clock and this limited edition SISU 24 Event Thermal is the Unisexy shirt you need.  Heather Blue, Goat approved - get yours before the clock runs out! Available sizes S, M, LG, XL, XXL ..
  • SISU Abusement Park (LIMITED EDITION)
    Get your ticket for the toughest abusement park in the Nation!  Premium Fitted Next Level Crew shirt  - 100% Combed Ring-Spun Fine Cotton - in traditional SISU black with light grey and cardinal.  This is THE shirt to rock at the gym or your next event!! ..
  • SISU Iron Shirt
    Turn heads with the brand new SISU IRON event shirt, now available for order.  These grey shirts feature the Iron design, featuring "Blue" the bear, by Rob Barger and the "No Weak Links" slogan penned by Steffen Cook.  The badass Honey Badger (official Iron sponsor) logo ..
  • SISU Pima Cotton Shirt
    Ladies show off your Ultimate Determination with this form fitted 100% Cotton tee with a flash of sass!  The SISU skull has a Weeple lime green bow just for the SISU ladies!    Order Shipping & Fulfillment: At Team SISU, our goal is to deliver high-quality pro..
  • SISU Tech Race Shirt
    We all know the SISU Ladies carry the biggest hammer, let the competition know it!  Here I your SISU Race Tech Shirt, that offers Cool DRI fabric that wicks away moisture keeping you cool and ready to throw down the hammer at all your events or workouts!  Ladies design has the classic g..