Crocs comfort Level 1. Treat your feet to undeniable comfort with the fabulous Crocs Serena Metallic Bar Sandal. This slip-on features soft, flexible Matlite straps with a metallic bar at the vamp for a dressier look. T-strap design with side cutouts and an open toe. Legendary Croslite foam cushioning offers all-day comfort and support. Thermoplastic (EVA) outsole for durability. Imported. Measurements: Weight: 5 oz Product measurements were taken using size 8, width M. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.