40 oz Lightweight Wide Mouth Size:40 oz Two large doors and porch

Two large doors and porch areas offer easy entry and plenty of room for spreading out and storing gear

Lots of awesome pockets

Sierra Designs is a case in point

you'll notice they've got little brass eyelets at the cuff

it's a lot more armour for very little extra weight

40 oz Lightweight Wide Mouth Size:40 oz Two large doors and porchLight but mighty flask to keep drinks cool on the trail Generously sized for your longer pursuits, the 40 oz Lightweight Trail Series bottle is 25% lighter than Hydro Flask's other 40 oz bottles thanks to an innovative stainless steel design. Engineered to deliver the same cold refreshment you expect from Hydro Flask but without the weight, the Trail Series makes it easy to take your cold hydration as far as your spirit of adventure takes you.