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SIS Drinks Bottle (800ml)

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As seen on tour, our SiS Drinks  Bottle is a water bottle designed for fuelling for long periods of exercise and features our unique Easy Mix System and wide neck opening for the effortless dispensing and mixing of SiS powder supplements.

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Our iconic Pro Yellow Bottle was originally designed to be used with energy supplements developed by Science in Sport Performance Solutions in collaboration with British professional cyclists. Still our pro-issue bottle, it has a large 800ml capacity with an ergonomic design that makes it easy to grab and hold, while its leakproof and lockable valve ensures you don’t lose any valuable fluids during exercise.
For convenience, the bottle features our Easy Mix System which consists of pre-determined measuring marks printed on the outside of the bottle enable you to pour specific amounts of SiS powders into the bottle that remove any guesswork and save you time.

  • Large 800ml capacity
  • Standard diameter fits in bicycle water bottle cages
  • Use in the gym or out on the road
  • Pre-marked powder levels for easy measuring
  • Wide neck for easy pouring
  • Leakproof lockable valve
  • Easy-to-grip ergonomic shape
  • Modern SiS branding design in brilliant yellow colour
  • BPA free
  • Dishwasher safe
Delivery / Returns FREE UK Delivery orders over £30,00, Next Day Service + FREE UK Returns

Shipping Information - Details

UK Standard Delivery - This means that your goods will be processed as normal and shipped by Royal Mail 48. Ordered goods will usually arrive within 3 - 5 working days for most of the UK mainland. Baskets with a total value (before vouchers and promotional codes are applied) of £30.00 and over will qualify for FREE UK delivery.

UK FREE Delivery - to all of the UK on almost every product, as long as your total basket value is greater than £30.00 (delivery charges are applied to baskets with a total value of less than £30.00). - All FREE Delivery order will be sent via (UK) STANDARD SHIPPING (Royal Mail 48)

Need it Quicker? - Select DPD Next Working Day or Fast Delivery at checkout - Orders will be processed as normal and shipped by either DPD for Next Working Day service (excluding weekends) or the Royal Mail Tracked 24 service, ordered goods will usually arrive within (1 - 2 working days)


Return this item for free - If you change your mind on your purchase, you have a 30 days to return it for a refund or replacement subject to terms. All goods must be in new and unused condition and in their original packaging with all labels still attached

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.