Nike EcoShock Air-Cushion Backpack Unused • Zero Break-In Design • Campus-to-Court Versatility Why 30% Better? 🔥 Turbo Vent Shoulder Straps – Airflow channels reduce sweat buildup by 40% vs basic cushions ♻️ Ocean Plastic Base – 18 recycled bottles per bag, 3x more abrasion-resistant than standard SU fabric 💻 Smart Zone System – Detachable 16" laptop sleeve converts to standalone tech case Size: 18.1 x 11.9 x 6.3 inches (46*30*16 cm)