SIS Drinks Bottle (800ml)

The SiS Drinks Bottle is a high-performance hydration essential, specifically engineered for cyclists and endurance athletes. This 800ml bottle is the same one used by professional teams on tour. With its ergonomic grip and wide neck opening, it’s designed for ease of use on the bike or in the gym, whether you're mid-ride or between intervals.

Large 800ml capacity for extended hydration
Easy Mix System with printed measuring lines for quick, accurate mixing
Ergonomic shape for secure grip on the move
Leakproof, lockable valve to prevent spills
Wide neck for effortless powder and fluid pouring
Fits all standard bicycle bottle cages
BPA free and dishwasher safe

SIS Drinks Bottle (800ml)

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Size:

800ml

Colour:

Clear

Yellow

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About SIS Drinks Bottle (800ml)

A standout feature is the Easy Mix System, which includes clear pre-marked powder levels printed directly on the bottle. This allows you to measure and mix Science in Sport powders with precision, no guesswork, no mess. The wide neck makes pouring easy, and the lockable valve ensures a leak-free experience, keeping every drop of hydration exactly where you need it.

Built with a standard diameter to fit securely in all regular bike bottle cages, the SiS Drinks Bottle combines function with style. Its available in 2 colours, while its BPA-free construction and dishwasher-safe material make it a practical choice for everyday use.

Whether you're training, racing, or refuelling post-session, this bottle is designed to perform as hard as you do. Durable, practical, and athlete-approved.

How does it work

The SiS Drinks Bottle is built for efficiency. Its Easy Mix System removes the guesswork from fuelling by showing clear, pre-set levels for mixing specific amounts of SiS powder. This ensures the right balance of nutrients every time. The wide neck design aids in easy pouring, while the ergonomic shape and lockable valve keep it user-friendly during intense activity.

By preventing leaks and ensuring fast access to fluids or nutrition, the bottle helps you stay hydrated and energised without slowing down, no matter how demanding the session.

About SiS

SiS believe that the most sophisticated piece of sports equipment you’ll ever own is your body. If you don’t put high performance sports nutrition in, you won’t get your full potential out.

Their range of products are researched and developed by sports scientists in conjunction with international athletes. This scientific research underpins everything we do to ensure that all our products meet the exacting standards of Informed Sport. This means that everything we do and every personal best you achieve with us, is FUELLED BY SCIENCE.

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