USMC McRae Hot Weather Coyote Boot Boot Size 10R – Second 。McRae Hot Weather Coyote Ripple Sole Combat Boot Size 5.5 EUC The McRae Hot Weather Ripple Sole Boot has been a trusted design for more than 20 years. Unlike most modern boots, the individual ripples flex when weight is applied providing the end user with significantly better shock attenuation than a typical military boot. If you are on your feet all day and standing on a hard surface, this boot is an excellent option for you. Fit is consistent with standard issue military footwear. Boots should be purchased a full size smaller than casual shoes.