MET Estro MIPS Helmet - Red/Black Metallic Glossy MediumMET Estro MIPS Helmet Red Black Metallic Glossy Medium. The MET Estro Mips is a versatile road helmet ready for your longest day on the bike. As comfortable as a top of the line helmet its design is widely open to maximze ventilation at low speeds. With 26 vents 17 of which are inlets and 9 are exhaust holes all of them work in synergy with the internally engineered air channeling system to ensure maximum ventilation. The Estro MIPS is also