The HydraPak Mountain Stow™ 350 ml features a bold mountain-inspired graphic and is designed for pocketable portability. At just 34.9 g and BPA/PVC-free, it’s around 80% lighter than rigid bottles. It includes a spill-proof flip-top valve, flexible bail handle, and rugged RF-welded TPU construction that stands upright when full and rolls into your bail handle when empty.
Compatible with 28 mm filters, it’s ideal for hiking, hunting, skiing, and everyday carry.
Specifications:
Capacity: 350 ml (12 fl oz)
Weight: 34.9 g (1.2 oz)
Dimensions: 165 × 73.5 mm (6.5″ × 2.9″)
Materials: TPU, PP, Silicone; BPA/PVC free
Filter compatibility: 28 mm threads
Features: leakproof flip-top cap, packable design, RF seams
Usage:
Compact, lightweight and convenient—perfect for outdoor adventures and travel.













