New Under Armour Jordan Spieth UA Tour Cap Medium Large Academy Navy White Med Lrg:Navy White 8% higher tensile strength and Canopy Heather 8% higher tensile strength and 40% higher elongation than the industry standard carbon fiber The secret behind the MAKO's success is Easton's new TCT Thermo Composite Technology which is engineered to provide players with two major benefits: an unmatched bat speed and a massive sweet spot Structured build maintains shape with a slightly higher crown ArmourVent mesh panels deliver true breathability in a light fast drying fabric Features heat seal Jordan Spieth logo on back Built in HeatGear sweatband wicks away sweat to keep you cool & dry Stretch construction provides a comfortable fit