Metal Vent Tech 2.0 1. Built to perform, sweat after sweat. The Metal Vent Tech collection, powered by seamless construction, is the ultimate gear for running and training 2. Our seamless construction uses the fewest number of seams to create gear that glides across skin so you can skip the chafe 3. Added elastane improves stretch and shape retention 4. Silverescent™ technology, powered by X-STATIC®, inhibits the growth of odour-causing bacteria on the garment 5. Slim fit Very Good preloved condition. Tag cut but you can still see the size.