Hydro Flask 40oz (Wide Mouth) Color:Black but reduces its footprint width

but reduces its footprint width by 2” to maximize ventilation and body heat dispersion

ANSI/ISEA approved fabric and 3M® Scotchlite® reflective trims lets you be seen clearly

Constructed with 1000D tough nylon

Panoramic field of view

Back pleat frees all torso movements from constraint

Hydro Flask 40oz (Wide Mouth) Color:Black but reduces its footprint widthFrom road trips to endless hours at the beach, our 40 oz Wide Mouth bottle keeps you well hydrated from sun up to sun down. And our Color Last powder coat is dishwasher safe for even more convenience. Cold stays ice cold for 24 hours, and hot stays wickedly hot for 12 just like always.