Ultra-durable construction ensures the insoles retain their therapeutic shape to protect your feet over long hours of standing or moving; High-density, closed-cell foam layer cushions the entire foot to supply firm, long-lasting comfort during high-impact activities; High-profile Superfeet shape provides professional-grade stabilization to reduce structural stress on joints, ankles, and knees; Deepest and widest heel cup architecture offers maximum support while optimizing the heel's natural shock-absorbing fat pad; Heavy-duty stabilizer cap acts as a rigid foundation to support the rearfoot and add durability to the foam core; All-natural, organic odor-control coating targets and eliminates odor-causing bacteria to keep footwear fresh