Oakley Gravity Polo Shirts: The new Oakley Gravity Polo Shirts, featuring O Hydrolix Technology. Oakley’s O Hydrolix incorporates an exceptional way of excluding moisture & perspiration from the skin keeping the wearer dry & comfy throughout use. O Hydrolix works with the body’s normal temperature to keep you warm when it’s cold & cool when things hot up. Anti bacterial properties introduced into the Gravity Polo Shirts fight the microbes that cause odours the shirts stay & feel fresh, giving you that just pulled on feel. The Gravity Polo Shirts come with a tailored fit & are manufactured from 100% Polyester. The shirts are lightweight & feature the Oakley O logo on the front centre chest panel & the Oakley name on the left sleeve. The Gravity Polo Shirts come in a choice of five colours & sizes vary from S to XXL.