Nathan 18oz Insulated Soft Flask Accessories With their bi-elastic fabric

With their bi-elastic fabric

22% Merino Wool

The patented knitted structure around the knee is just the start

• Zone construction features Speed Mesh side panels for enhanced breathability• Front zip for ventilation and innovative armhole binding construction for maximum comfort• Two easy-access rear pockets and dropped back hem for enhanced coverage

The New Balance XC Seven v4 is designed specifically for the emerging cross country runner

Nathan 18oz Insulated Soft Flask Accessories With their bi-elastic fabricThis soft flask provides big time insulation for a big time thirst. Insulated properties keep fluids cooler 38% longer than non insulated soft flasks Bite valve keeps liquid from escaping Works great with all NATHAN hydration vests Specs Capacity: 18 oz 535 mL