Nathan Pinnacle 18oz Insulated Soft Flask Handheld Color:Electric Blue/Reflective Silver They use a stretchy design

They use a stretchy design that helps you run without restriction

Midfoot cross-strap locks foot to platform

6" mini crew height for versatile coverage

this refreshing flavor will accompany you in all your runs

Nathan Pinnacle 18oz Insulated Soft Flask Handheld Color:Electric Blue/Reflective Silver They use a stretchy designBuilt for runners who want premium insulated soft flask hydration, the Pinnacle Soft Flask Insulated 18oz Handheld features our advanced ExoDraw flask technology in an updated carrier with a grip free mesh strap that contours to your hand. The insulated flask keeps fluids cooler longer over hot weather efforts, marathon training, trail runs, and long hikes. The 3D soft flask collapses as you hydrate to minimize size, and a wrap around pocket secures