Women's Chaco Mega Z Classic - Dark Ivy The MegaChrome Collection takes our Z/Sandal and amplifies it with wider straps and full-color coverage for a Mega look that’s anything but subtle. Inspired by nature’s palette, choose from grounding earth tones or vibrant, electric hues. Designed with Chaco’s podiatrist-approved arch support and 360-degree adjustable straps for a custom fit to your foot. DETAILS: Upgraded rubber compound New tread designs Optimized for wet traction Durable and long lasting all-day comfort and support certified by podiatrists