Birkenstock Blue Flower Garden Clogs. The Birkenstock Garden Clog offers the perfect combination of comfort and durability. One of its many features is the great arch support that it offers. The garden clog comes with a deep heel cup & a toe gripper. No insole liners make them even easier to keep clean post garden. Some wear off of design on area by side toe box as pictured. Some soil staining mainly on bottom soles as pictured. These fun waterproof clogs can be worn outside the garden—and get compliments every time! EU 39