You can't always control the conditions. There's no A/C in the weightlifting gym. There's no shade on the track. When you know your workout is going to be a hot one, this adidas HEAT.RDY Training Tee has your back. Soft, breathable material absorbs moisture to keep you dry and feeling determined, not wilted. Ventilation in key sweat zones keeps the air flowing like you've got your own personal fan. Zoned ventilation areas. Crewneck. 100% recycled polyester doubleknit. Temperature-regulating t-shirt. Breathable, air-cooling HEAT.RDY.