THE YEEZY BOOST 700 MNVN METALLIC FEATURES AN UPPER COMPOSED OF LIGHTWEIGHT POLYESTER WITH NO-SEW OVERLAYS OFFERING ENHANCED BREATHABILITY. FLEXIBILITY AND COMFORT. NO-TIE BUNGEE LACES ALLOWS FOR EASY ON AND OFF WEAR. WHILE REFLECTIVE MATERIAL THROUGHOUT SPECIFIC AREAS OF THE MODEL ADDS UNIQUE DESIGN CUES AND VISUAL INTEREST. THE FULL-LENGTH DROP-IN BOOST MIDSOLE PROVIDES THE ULTIMATE UNDERFOOT CUSHIONING EXPERIENCE. WHILE THE PU MIDSOLE ADDS COMFORT AND DURABILITY.