- Size: 42.5 • Lightweight and dynamic trail running shoes, ideal for ultras on rugged terrain • Outsole with multidirectional traction for maximum grip and stability on technical surfaces • Combination of chevron and conical lugs for straight-line traction and lateral support • Midsole with AeroFoam Infinity technology: increased durability without added weight • 5 mm drop promotes a natural and efficient stride • Lightweight, breathable, seamless upper for greater comfort and reduced friction • Reinforced toe cap for protection on technical descents • Excellent performance on wet, rocky, or unstable ground