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SIS 800ml Water Bottle

SIS 800ml Water Bottle

Regular price £4.99 GBP
Regular price £4.99 GBP Sale price £4.99 GBP
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Keep yourself refreshed and hydrated, no matter where life takes you, with our leak-proof water bottle. Made from high-quality, BPA-free materials, this bottle is safe for you and the environment. With a tight-fitting cap, you never have to worry about spills or leaks, making it perfect for on-the-go. The compact size fits comfortably in most cup holders, and the convenient carry handle makes it easy to take with you wherever you go. Whether you're hitting the gym, running errands, or exploring the great outdoors, this water bottle will keep you hydrated and ready for anything. Get yours today and enjoy the convenience and peace of mind that comes with it!

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Shipping policy

All orders are processed within 2 business days (excluding weekends and bank holidays) after receiving your order confirmation email. You will receive another notification when your order has shipped. 

Domestic Shipping Rates and Estimates

We offer free shipping on orders over £30 anywhere in the UK estimated delivery 2 - 3 working days



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Science in Sport is the world’s leading performance nutrition brand. SiS combine world-class knowledge and scientific formulations to provide optimal performance solutions across the nutritional needs of energy, hydration, and recovery.

Through their world-leading research and innovation programme, they formulate evidence-based products that genuinely impact performance.

SiS push the boundaries of science and nutrition so that you can push the boundaries of performance. Everything we do is Fuelled by Science.


Since 1992, Science in Sport has fuelled Olympians, World Record Holders and World Champions, from Cyclists to Swimmers and Heptathletes to Runners.

Science in Sport is currently the official sports nutrition partner to professional cycling organisations Team INEOS, the German Cycling Federation and Legion of LA. SiS is also the partner of other high-performing elite institutions worldwide, such as USA Triathlon & English Institute of Sport.

Globally, Science in Sport fuels over 150 professional soccer clubs and is Performance Research Partner to the England Football Association.


When you commit so much time, energy and determination to being the best you can be, you want a sports nutrition partner who truly understands endurance sports – one you can trust to provide the best products and expert guidance.

Our experts, combined with feedback from elite athletes, ensure Science in Sport continues to be at the forefront of product innovation in performance nutrition. Our passion means our products are truly trusted and recommended.


Professional and Olympic athletes trust science in Sport in a range of sports across the world. A vital component of this trust is our approach to preventing banned substances from entering their supply chain and finished products.

SiS are the only brand globally to hold Informed Manufacturer and Informed Sport Product Certification.

Every batch produced receives the recognised and respected Informed Sport certificate.

You will find the Informed-Sport logo on every product that they make.


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  • Free Shipping

    Free shipping available on orders over £30

  • Hassle-Free Exchanges

    If you need to return an item to us, you can do so within 30 days of purchase.