Crocs Comfort Level Guide Crocs comfort Iconic Level 1. Brighten up your day with a splash of color in the Crocs® Classic Tie-Dye Graphic Clog! Thermoplastic (EVA) foam construction makes them incredibly light. Easy slip-on with adjustable back strap. Extra roomy for a comfortable fit. Ventilation system that allows air and water to pass through multiple ports inside of shoe. Iconic Crocs Comfort™: original foam cushioned footbed. Thermoplastic (EVA) outsole. Imported. Measurements: Weight: 7 oz Product measurements were taken using size Men's 12, Women's 14, width Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.