
SIS 800ml Narrow Neck Bottle Yellow: Save 50% on a Trusted Sports Bottle
About this item
- Yellow water bottle: includes 1 science in sport sis sports water bottle, plastic material, yellow colour, 700 ml
- Quality and durable water bottle: made in the eu, science in sport water bottles are perfect for use with sis products and powders
- Sports water bottle: this science in sports water bottle is ideal as a bike water bottle or cycling water bottle as well as for any water bottle gym needs
- Use anywhere, anytime: train harder, race faster and recover quicker with this handy water bottle at home, the gym or outdoors
- Pioneer in sports nutrition: since being established in 1992, science in sport has been an industry-leading company, working with research institutes, elite athletes, performance directors, and sports scientists
Decent price but not exceptional. Wait for a steeper drop or a voucher.
Price history · 90 days
The green area marks the "deal zone" — below the historical average.
What we like
- +Durable plastic construction, made in the EU
- +Compatible with SIS powders and other sports nutrition
- +Bright yellow colour for easy visibility
- +Generous 800ml capacity
- +Trusted brand with 4.4 / 5 rating from thousands of reviews
To consider
- −Narrow neck may not fit all bottle cages
- −Plastic can retain odours if not washed promptly
- −No insulation, so drinks can warm up quickly
The SIS 800ml Narrow Neck Bottle in Yellow is a dependable and affordable option for anyone needing a simple sports bottle. Its compatibility with powders, durable build, and high user satisfaction make it a solid choice for cycling, gym sessions, or outdoor activities. The current price of £4.99, a 50% saving off the original £9.99, adds real value. However, if you prefer insulated bottles or need a wide mouth for cleaning, this may not be ideal. Buy it if you want a no-fuss bottle from a reputable brand at a great price.
Editorial review
The SIS 800ml Narrow Neck Bottle in Yellow is a practical and durable hydration companion for athletes and gym-goers alike. Made from quality plastic and manufactured in the EU, this bottle is designed for easy use with SIS products and powders, making it a smart choice for anyone who uses sports nutrition. Its narrow neck allows for a comfortable squeeze and controlled flow, whether you're on a bike, at the gym, or outdoors. With a capacity of 800ml, it holds enough fluid for most training sessions. The bright yellow colour makes it easy to spot. Currently available at £4.99, down from £9.99, this is a solid discount of 50%. With over 6,400 ratings averaging 4.4 out of 5, it's clear that many users appreciate its reliability and value. If you need a straightforward, no-nonsense water bottle for your daily workouts or cycling rides, this SIS bottle delivers without breaking the bank.
Price trend
Originally listed at £9.99, this SIS 800ml bottle is now available for just £4.99 on Amazon UK. That's a saving of £5.00, or 50% off. With over six thousand ratings and a strong 4.4-star average, the discount isn't just a flash sale — it reflects genuine availability at a reduced price point. While stock may fluctuate, this deal offers notable value for a reliable sports bottle.
Frequently Asked Questions
Is this SIS bottle dishwasher safe?
The manufacturer recommends hand washing to extend the life of the bottle. The narrow neck can trap debris, so a bottle brush is useful.
Will this bottle fit a standard bike cage?
The 800ml narrow neck design fits many standard bottle cages, but very compact cages may be a tight squeeze. Check your cage dimensions before purchasing.
Can I use this bottle for hot drinks?
This bottle is designed for cold or room-temperature liquids. It is not insulated and may not be suitable for hot beverages due to material limitations.
How does the price compare to other similar bottles?
At £4.99, this SIS bottle is a good deal compared to many other 800ml sports bottles that typically cost £8–£12. The 50% saving makes it a competitive choice.
Is the bottle BPA-free?
Yes, the SIS narrow neck bottle is made from BPA-free plastic, ensuring safe use for hydration during exercise.
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