The Tatacoa CE Birko-Flor Active Sandal in Futura Black/White from Birkenstock. 

The BIRKENSTOCK Tatacoa - designed to bring Birkenstock comfort and support to your favorite trail and water based activities. These off-road ready sandals feature a direct attach PU footbed, a rugged PU/TPU outsole for added traction and sturdy hook and loop closures for a secure fit. The upper is made from the skin-friendly, hard-wearing synthetic material Birko-Flor®.

• Anatomically shaped PU footbed
• Upper: Birko-Flor® Futura
• Footbed lining: polyurethane (PU)
• Sole: light polyurethane sole (PU)
• Details: two straps, each with an individually adjustable hook-and-loop closures; back strap
• “Made in Germany”