Training Camp is the time to gear up for the season! Represent your team with the Raiders New Era 39Thirty 2017 Training Camp Grey Cap— introducing New Era’s engineered Hex Tech fabric featuring sweat-wicking, CoolEra® technology, and SolarEra® technology to provide UV protection. Stay cool, dry and comfortable while you train outdoors! This cap comes equipped with reflective binding and perforation details for a breathable cap. 100% polyester.