OMNI-GRIP: This multi-terrain traction system matches specially formulated compounds and treads to specific environments. ADJUSTABLE FEATURES: Columbia Youth Techsun Vent Sandal features adjustable straps across the instep and the ankle to make this sandal versatile and customizable. MATERIAL: Quick-drying synthetic leather and a non-marking wet traction rubber outsole make this sandal durable and comfortable for your little one on any terrain. HIGH-TRACTION GRIP: Our signature high-traction grip allows for slip-free movement. ADVANCED TECHNOLOGY: Columbia Youth Techsun Vent Sandal features our signature Techlite footbed and frame for superior cushioning and impact absorption.