With all the cushion, grip and fit of a running shoe and the breathable freedom of a sandal—the Aventrail R2T Sandal is built to move seamlessly from road to trail. A lightweight midsole with foot‑on‑foam cushioning delivers smooth, responsive comfort, while the Spider Rubber® Endure outsole provides reliable grip across pavement, gravel, and packed dirt. Finished with a secure W Strapping System for a dialed‑in fit, this running sandal offers an entirely new kind of freedom for everyday running. Open-air sandal upper maximizes airflow and freedom of movement Patented W Strapping System provides secure lockdown, adjustability, and personalized fit Breathable neoprene mesh lined straps for comfort and moisture management Nylon return rings and strap tips for durability LITE-COMF® midsole for lightweight and responsive cushioning Foot-on-foam contact provides immediate step-in comfort and optimized energy efficiency Spider Rubber® outsole with 3.5mm lugs for road to gravel capable traction Sustainability Initiative(s): 52% REPREVE® recycled polyester straps, Mesh upper made with 27% recycled nylon and 33% recycled polyester Best for: Trail Running Half pair weight for size W7: 7.23oz Drop: 8.5mm Stack: Heel 39.5mm / FF 31mm Item # 1172831SSPL