Womens BROOKS ADRENALINE 18 GTS :: Let your updated Womens Brooks Adrenaline GTS 18 take over with a fresh look and even plusher ride. Adrenaline faithful can count on the proven fit of the GTS in this new mesh upper while the streamlined look will attract new fans. Continue to thrive on just-right support guiding your entire stride every step of the way. Find the perfect balance of stability and cushion in your Adrenaline 18 GTS with more flex to keep you smooth at 110% effort.