smx plus boots black dark gray RGroup_1642720 an innovative natural viscose fiber Color:Deep Gray Royal Blue an innovative natural viscose fiber that affords exceptional flame resistance and protection against heat transfer the Tech Air® 5 Ready Boulder GORE TEX Jacket is constructed out of a breathable and water repellent treated outer shell with a GORE TEX laminated membrane for low weight and maximum wet weather performance The durable and light microfiber upper is reinforced with a rugged polymer protector and the exclusive Multi Link Control (MLC) system prevents ankle torsion while offering freedom of movement The SMX Plus v2 Boot perfectly blends sleek sports styling with advanced protection features developed in Alpinestars performance footwear department