While staying light keeps you fast on game day, it doesn't help you build speed in training. The Short Sleeve Weighted G-Top adds resistance training to your every move. The weight is naturally distributed across the torso, so it's nearly unnoticeable until you take it off. And with cool-touch fabric and a cut that's made to move, the top slips easily into your workout rotation. Fit & Design Slim fit training shirt Great for indoor cycling, group fitness, hiking and team sports Designed to boost any workout where you move your core Crewneck design Short sleeves High-density polymer print Technology Under 2 pounds of weight is strategically placed across the arms with targeted MicroLoad(TM), avoiding the joints for easy movement Smooth, breathable, moisture-wicking fabric keeps you feeling dry and comfortable Additional Details: Turn inside out and wash on warm; tumble dry on low Product weight: 1lb 10oz (+/- 2oz) bluesign(R)-approved fabric