Duette Swirl Wind Smoke The Duette from Alegria features double elastic gores for easy on-and-off and is also very supportive to the structure of your foot and activity. The slip-resistant outsole is a dual-density construction that balances weight distribution, increases your support and offers you enhanced shock absorption and rebound. Sport your look in every way with the support you need and style you want with the Duette by Alegria! Features you will find in every Duette include American Podiatric Medical Association (APMA) Seal of Acceptance A double elastic gore for easy on-and-off wear Enhanced shock absorption and outstanding rebound Dual-density polyurethane slip-resistant outsole A man-made upper