Nalgene Multi Drink Water Bottle - Gray Hunting A gusset is the reinforcing

A gusset is the reinforcing plate that lets a metal frame be stiff without being heavy

Tip-up pocket clip for right-hand carry

A continuous panel of lightweight mesh extends from the top of the backpanel to the hipbelt

At 15 liters the Sea to Summit Compression Sack M (stscompsackm) suits a three-season sleeping bag

Nalgene Multi Drink Water Bottle - Gray Hunting A gusset is the reinforcingGulp It. Sip It. Lock It. Nalgenes leak proof MultiDrink features a 24mm loop top for refreshing gulps, and a sip friendly pivoting straw with leak proof lock. 63mm cap fits other Nalgene wide mouth bottles and allows for easy cleaning, icing and drink mixing.