Birkenstock Unisex Siena Avantgarde Natural Leather Premium White

Birkenstock’s Siena Avantgarde reimagines the iconic silhouette with premium natural leather craftsmanship. The contoured footbed delivers anatomical support with a molded arch and heel cup, while the adjustable buckle strap ensures a customized fit. Natural leather develops a rich patina over time, adding character to this versatile design. The lightweight EVA sole provides durable cushioning for all-day comfort, whether styled casually or dressed up. A timeless investment piece that bridges heritage design with contemporary versatility.