What Our Gearhead(R) Experts Are Saying:"This shoe is all about speed. The Energy Surge midsole delivers an insanely propulsive ride, and the rockered shape keeps me moving forward effortlessly. The Matryx upper fits like a sock, offering a precise, locked-in feel without extra weight. Whether I'm racing on technical terrain or chasing a PR on smooth singletrack, the S/Lab Pulsar 4 gives me the confidence to push the pace."Designed for runners chasing podiums and personal bests, the Salomon S/Lab Pulsar 4 blends cutting-edge innovation with race-ready performance. Built in collaboration with elite athletes, this ultra-light trail shoe delivers the speed, precision, and responsiveness needed to dominate technical terrain. The Energy Surge midsole, Salomon's lightest yet, offers a soft yet explosive ride, while the rockered profile keeps our stride efficient through every push-off. The reinforced Matryx upper wraps around the foot like a sock, providing a secure, breathable fit without extra bulk. Whether we're flying through switchbacks, powering up steep climbs, or sprinting for the finish, the S/Lab Pulsar 4 maximizes speed and agility while maintaining grip and control over varied surfaces. This is the shoe for those who refuse to settle for anything less than peak performance.