1:1 Lasting, Black Last, IN2GRATED, Articulated Cuff. Heat Reflective Foil, HDR Premium Synthetics. Zig-Zag Flex, +Slime Midsole. H4 BOA Coiler Fit System, BOA Tongue Tied Fit System, BOA TX3 Lace, The Closer. Center Tongue Liner, Internal/External J Bars. Intuition Support Liner, Black Gold Liner Mesh, Lock Down Turbo. NEW! Impacto Ultra Insole.