Men's VKTRY VK Gold Carbon Fiber Athletic Performance Insole Men's Shoe Size:8-8.5 With a breathable double-layer design

With a breathable double-layer design

Midsole heel drop 8mm

Cushions & Supports Hammer

Helps position the heel to naturally absorb impact

plus moisture and bacteria resistant

Men's VKTRY VK Gold Carbon Fiber Athletic Performance Insole Men's Shoe Size:8-8.5 With a breathable double-layer designTHE WORLD'S FIRST CARBON FIBER PERFORMANCE INSOLES Unmatched Energy Return and Shock Absorption to Improve Athletic Performance and Increase Injury Protection FULL LENGTH AEROSPACE GRADE CARBON FIBER VKTRY's ultra lightweight, carbon fiber base provides improved athletic performance and enhanced injury protection due to its full length support, stability, and shock absorption. HIGHLY ENGINEERED DESIGN While VKTRYs carbon fiber base looks like a single