These samdals are in great preowned condition, pleasse review all photos for more details. Chaco National Park Foundation Strap Sandals are a women's size 9 sandal with an adjustable buckle closure. They are designed for travel, activewear, and casual occasions during the spring and summer. The sandals feature an adjustable ankle strap, and breathable synthetic fabric crisscross straps. The ombré patterned straps are accented with the Chaco logo and have a raised edges heel style. The sandals are part of the Chaco EcoTread product line and have various themes including art, nature, and outdoor activities.