Osprey Ultralight Dry Stuff Pack Colour:Black Reduces volume as it empties:

Reduces volume as it empties: the flask shrinks as you drink to avoid annyoing sloshing noises and taking up excess volume when empty

Reflective

Umara's U Bicarbonate increases blood pH so you can train harder during your intense sessions such as intervals and threshold workouts

All the exterior and interior fabrics

Roll-top closures

Osprey Ultralight Dry Stuff Pack Colour:Black Reduces volume as it empties:Description This ultra lightweight packable backpack is rated IPX5, waterproof non submersible, for any adventure that takes you to humid, wet or sandy destinations. It's perfect for travel, giving you a compact solution for day trips at your destination, or have an extra bag for souvenirs on the return journey. Features Roll top IPX5 waterproof, non submersible closure Waterproof coated fabric and seams Side stretch pockets Key Attribute BUILD YOUR