Proof 1 | Chalk

c—proof™ Waterproofing | Seam-sealed waterproof membrane blocks moisture while maintaining breathability, flexibility, and a streamlined, minimalist profile. c—sole™ Orthotic Insole | Orthotic pain relief insole engineered to cushion and support feet dealing with heel pain, plantar fasciitis, or arch discomfort. c—base™ Sole | Outsole comprised of a hybrid of high-traction rubber and lightweight EVA — delivering a steady grip underfoot while absorbing impact to maximize long-lasting comfort. Upper | Made from adaptive knit that stretches with your foot for a pressure-free, custom feel. Soft enough to prevent irritation, structured enough to deliver lasting support. Lining | Soft, seamless interior lining that minimizes friction and shields sensitive areas, helping to prevent irritation — even on the longest days. Toebox | A thoughtfully wide design to accommodate swelling, pressure points, or sore feet. Built to relieve discomfort without feeling bulky or oversized.