Freeior Carbon Fiber Insole, Boost Sports Performance for Basketball Running Volleyball, Replaceable Arch Support Top Cover Extra Shock Absorption - Run Faster, Jump Higher M 8.5-9/W 9.5-10

About this item

• ENHANCE PERFORMANCE & SHOCK ABSORPTION: Freeior sports insole bring returning energy for boost athletic performance explosive jumps, quick cuts and more. 100% carbon fiber base + patented arch support absorbs impact 40% better (vs. standard foam) for smoother landings.
• MOISTURE MANAGEMENT & BREATHABILITY: Hex-grid design drives dries 3x faster than solid carbon insoles match top layer mesh and PORON premium foam fight sweat—stay dry through 4-hour exercise. Best for basketball, hiking, volleyball, running, tennis etc.
• REPLACEABLE TOP LAYER (LASTS LONGER): Proven 2-part system includes durable carbon fiber base + replaceable cushion arch support. When the top cover wears out, just swap the top—avoid entire insole being unusable to save 80% over replacements. Lasts 5X longer than Integrally bonded insoles
• CUSTOMIZED TRIM TO FIT: Strong support in key areas, such as the heel and arch, which helps reduce pain in feet and lower back. It be trimmed to fit your shoes and boots, follow cutting instructions before use. Between sizes? Size up then trim
• ONLY FOR SHOES WITH REMOVABLE INSOLES: It takes 1-2 weeks to get used to it initially (gradually increasing from 2hrs per day). After getting used to it, whether you sprinting, jumping, or just walking around, they feel good all day. Avoid cleats/fixed insoles. Put into shoes with laces to better fix the feet