Wide Mouth Flex Chug Cap Size:One Size This supreme packability comes with

This supreme packability comes with the weight savings to match to keep you moving quickly on the trail

and you know your trek will be more enjoyable than ever

Metal Twin Frame: A titanal top core TI layer provides improved stability

Pairs well with starter red or foam tennis balls

Wide Mouth Flex Chug Cap Size:One Size This supreme packability comes withRefresh on the go with this leakproof chug style cap. The narrow chug spout provides a convenient, controlled flow to quickly quench your thirst. The wide mouth cap easily fits ice cubes to keep things cool. Fits all Wide Mouth bottles. Narrow Chug drinking spout for a convenient, controlled flow Wide mouth bottle threading fits all Wide Mouth bottles Leakproof when closed Flex Strap is easy to transport and comfortable to carry BPA Free Dishwasher