On Running Core Tank – Women's Color:Creek Double-wall vacuum insulation holds cold

Double-wall vacuum insulation holds cold whites cold and warm reds at temp

boxy fit layers cleanly under a pack or stands alone post-run

Extra cushion construction pads the entire foot — not just the heel — for sustained comfort on long hikes and backpacking trips

Available in standard and plus sizes across multiple colorways including TNF Black

while Merino wool naturally manages moisture and kills odor without chemical treatments

On Running Core Tank – Women's Color:Creek Double-wall vacuum insulation holds coldBuilt for high output training days and hot summer runs, the Core Tank is our go to lightweight layer for women who want nothing getting in their way. DryTec fabric moves sweat off your skin fast a real advantage in Southern heat and humidity while forward leaning side seams cut down on chafe during long efforts. DryTec moisture wicking fabric pulls sweat away fast, keeping you dry through hard efforts in heat and humidity 92% recycled polyester 8%