Experience top-of-the-line protection from the Stallion 1K Arm Guards, designed in Baltimore by a company with more than 50 years of experience in the sport of lacrosse. This arm guard from the 1K series is designed with a high-density HD2 Polymer(TM) foam built to absorb impact, while wicking away sweat and rain. Featuring a reinforced design from the 900 series, the 1K series features added protection and mobility to level up your game. PERFORMANCE TECHNOLOGIES: 1K Reasons-The top-of-the-line 1K collection from STX is designed for the elite player who has logged thousands of reps on their journey to become the best.Play Protected-To protect the elite attackman from heavy stick checks around the crease, this arm guard features added side elbow protection that contours around the elbow cap. Form & Function-A breathable sleeve and three-piece pad design provide improved mobility for added dexterity, while the STX 360+(TM) strap holds padding firmly in place without slipping during play. Lighten Up-A high-density HD2 Polymer(TM) foam provides premium protection that won't soak up sweat or rain.