21 oz Standard Mouth Colour:Shale Gray Easily compresses into built-in pocket

Easily compresses into built-in pocket for go-anywhere convenience

a LidLock bike helmet attachment and Osprey's much-loved 'stow-on-the-go' quick stash system for your trekking poles

but durable 20D Nylon taffeta shell

Which is exactly what this City Backpack from Herschel is designed to do

Flask volume: 750ml

21 oz Standard Mouth Colour:Shale Gray Easily compresses into built-in pocketDouble insulated stainless steel, to banish lukewarm drinks forever Designed for everyday adventures, the 21 oz Standard Mouth bottle from Hydro Flask is their mid range and most versatile product. Small enough to fit in a rucksack side pocket or your cars bottle holder but carrying over 600 ml of liquid, the 21 oz insulated bottle is the perfect companion for your daily travels. Plus, since its made without BPA chemicals, you can keep re using it