Nathan Pinnacle Breeze 4L Hydration Race Vest Size:S/M We designed this Merino wool

We designed this Merino wool Hike sock to celebrate our advocacy partner

We also updated the midsole with FF BLAST™ PLUS cushioning

Keeps feet cool and dry with Balega's proprietary Drynamix® moisture wicking fibers

Ideal for runs that start in the sun-and end after it's set

Nathan Pinnacle Breeze 4L Hydration Race Vest Size:S/M We designed this Merino woolThe Pinnacle Breeze features sternum slider cords and Quick Fit adjustment system, wrapped in lightweight mesh for unmatched comfort. It comes with two 14oz 420 ml Nathan Hydrapak flasks and six pockets, providing a perfect blend of support, airflow, and storage. HIGHLY BREATHABLE Single layer Mesh panels, shoulder straps, and back interior mesh provide maximum air flow for ultimate comfort. SECURE COMFORT Compression fit combined with sternum cord