The 28mm Vesica 1L Collapsible Bottle in Smoky pairs a flexible body with a stiff neck and base. Carry a full liter, then collapse the empty bottle to save pack space.Why We Like ItIt combines the handling of a structured bottle with the packability of a soft container: useful when your water supply and available space change throughout the day.Best ForHiking, backpacking, travel, and compact everyday hydration.Carry & Capacity1L capacity; collapses when empty.Stiff neck and base help it stand when filled with water or air.Tethered cap and a pull cord near the neck.Materials & ConstructionA 0.4mm TPU body provides flexible, reusable water storage.Filter CompatibilityThe 28mm thread works with compatible filters, including the Sawyer Squeeze, Mini, and Micro. The squeezable body supports filtering; the bottle itself does not filter water.DetailsBrand: Cnoc OutdoorsProduct: 28mm Vesica 1L Collapsible BottlePrimary Color: SmokyCapacity: 1LNeck: 28mmMaterial: TPUCountry of Origin: ChinaSKU: Ves1-128-smky