ADV Skin 5

Salomon's ADV Skin line remains the standard against which trail running vests are measured, and this 5-liter version hits the sweet spot for self-supported training and moderate-distance races. It relies on an elastic Sensifit mesh chassis that conforms tightly to the ribs and chest. Rather than using rigid webbing, the harness relies on stretchy materials and a flexible sternum cord system that moves with your ribcage during hard ascents, effectively eliminating vertical bounce when fully loaded.

Hydration and gear access are intuitive on the move. The front harness carries two included 500-milliliter soft flasks held in tensioned drop-in sleeves, flanked by deep stretch pockets that swallow phones, nutrition, and trash without spilling. In back, a zippered main compartment holds mandatory weather layers and an emergency kit, while a lower double-access kangaroo pocket lets you stash a windbreaker without taking the vest off. Trekking pole attachments are versatile, though pairing it with Salomon's add-on quiver offers the cleanest solution.

The pack carries heavier and warmer than minimalist, paper-thin race vests like the S/Lab series, as its padded back panel and durable elastic mesh hold noticeable moisture in high heat. However, that extra fabric density yields vastly superior long-term durability against abrasion and repeated laundering. Compared to rival packs from Nathan or Black Diamond, the ADV Skin 5 fits closer to the body with less friction, provided you size it carefully around your chest measurements.