Boa® H3-Coiler Closure System B.F.T. Free-Track Outsole w/ OC-Kush Dual Density Insole 3-Feather Liner Integrated Internal Closure 3D Molded Tongue and Tongue Silvadur™ Antimicrobial Coating SpaceBlanket Insulation Support Rating: 4 (1 = softest/forgiving and 10 = most supportive/responsive in the Flow line)
