Nathan 20oz Soft Flask with Bite Top Size:OS 6 oz (size 9) —

6 oz (size 9) — impressively light for a max-cushion shoe built for all-day miles

resisting odor naturally — no synthetics needed

Soft flannel fabric delivers warmth and comfort through cool fall and winter temps

while TNF Winter Grip rubber handles slick

Nathan 20oz Soft Flask with Bite Top Size:OS 6 oz (size 9) —For trail runners and endurance athletes who need reliable on the move hydration, the 20oz Soft Flask fits snugly in vest pockets and waist belts without bouncing. The pliable TPU body compresses as you drink, eliminating slosh and dead weight, while the high flow bite valve keeps fluid moving fast without fumbling. Holds 20oz (600ml) and fits standard front vest pockets and hydration belt sleeves no awkward adjustments mid run Durable TPU