Alpinestars Air Plus V2 Gore-Tex XCR Boots in Black Features Include: Advanced construction consisting of fine mesh seamless technology. CPU injection on lateral panel for excellent breathability. Full grain leather on medial panel gives comfort and durability. Perforated leather on front and rear accordions for breathability. Microfiber with technical texture plus shift pad for more impact protection and durability. Wide opening aperture for ease of access. Incorporates Gore-Tex waterproof and breathable performance membrane. Removable anatomical foot bed includes EVA and Lycra for comfort and support. CE certified to EN136342010.