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Black Flexthin insole has geometric subtle pattern on bottom while side view shows yellow and blue (by Superfeet)

FLEXthin Athletic Comfort Insole

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The FLEXthin Superfeet insoles are designed for running and athletic shoes. Their thin design allows them to fit in slim-fitting footwear, even some without removable insoles. The FLEXthin’s dynamic shape is contoured to hug your feet and cradle your heels to stabilize the foot, reducing stress on feet, ankles and knees.

  • Unisex insoles
  • Top layer delivers long-lasting odor control
  • Positions the heel so that it naturally absorbs impact
  • 3 mm of durable construction designed to deliver reliable support and comfort for up to 12 months or 500 miles, whichever comes first
  • Ventilated forefoot to improve air circulation and breathability
  • Easy trim-to-fit design
  • Vegan