Compact hydration with trail-ready protection.

Designed for dusty gravel rides and muddy singletrack, the Breakaway Muck 15 oz keeps water clean and close at hand. The MuckGuard™ valve cover seals out trail grit, while the high-flow Surge™ valve self-seals to eliminate drips and splatter. Its compact size is perfect for small frames or shorter rides, and the soft squeeze body makes hydration quick and easy.

MuckGuard™ valve cover keeps out dirt and grime on messy rides

Surge™ valve delivers high-flow hydration and self-seals between sips

Compact 440 ml size fits snugly in tight bike frames

Soft, easy-squeeze body for fast hydration on the move

Slim profile fits most bottle cages

BPA- and PVC-free; dishwasher safe for easy cleaning

Specs

Capacity: 440 ml (15 oz)

Dimensions: 156 × 74 mm (6.1 × 2.9 in)

Weight: 65 g (2.3 oz)

Materials: PP, TPU, HDPE, LDPE, PE, silicone

Best use: Mountain biking, gravel riding, mixed conditions

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Hydrapak Breakaway Muck (2-Pack) 440ml