Product Description
A lot of bottles either dribble when you take a drink or dump water down your chin when you squeeze too hard. The SiS Sports Bottle's narrow neck and soft sides give you high-volume hydration in one squeeze, and that same neck lets you drop in an electrolyte tablet without fumbling for a wide-mouth opening.
SiS's Sports Bottle is built to make grabbing a solid mouthful on the move simple, using a narrow, squeeze-friendly 27oz (800ml) design that drops straight into a standard bike cage.
More Water With Less Effort – The narrow neck and soft-sided squeeze design deliver a real mouthful in one squeeze, so you're not pumping the bottle three or four times to get a decent drink while you're still holding your line or hitting your split.
Built to Stay Tight in the Cage – Sized to fit standard bike bottle cages, it slots in securely and stays put over rough roads or gravel, so you're not checking mid-ride if it's about to bounce loose.
See What You're Drinking, See When It's Clean – Because the bottle is see-through instead of tinted, you can check your water or hydro tablet level at a glance during a ride, and spot buildup right away when it's time for a wash.
The soft sides compress evenly around the whole bottle instead of caving in at one weak spot, so the squeeze effort stays consistent whether it's full or nearly empty. Riders who've used SiS bottles for years note the nozzle can feel stiff for the first few squeezes out of the package, but it loosens up quickly with normal use, so don't mistake that initial resistance for a defect.
How to Use the SiS Sports Bottle
Fill with water or your electrolyte mix of choice up to the neck, then screw the cap on securely before riding.
Keep the bottle in a standard cage where it locks in place, and squeeze rather than tip to get a full flow.
It's dishwasher-friendly, so a normal cycle keeps it clean without extra scrubbing between rides.
For gear that arrives damaged or falls under the manufacturer's warranty: Please send a photo of the damage or error message to hello@thefeed.com. We will either help process a claim for the product and a replacement product or store credit will be provided, or we will direct you towards the correct place to make a warranty claim for the product. For returns on gear that you have used, we follow the manufacturer's instructions for satisfaction guarantees. This is specific to each gear product, terms and conditions may change.
SiS Sports Bottle FAQ's
Everything you need to know before getting started.



It holds 27oz (800ml), sized for a full ride's worth of water or electrolyte mix.
Yes, it's sized to fit standard bike bottle cages on road, gravel, and mountain bikes.
Yes, the narrow neck is sized to drop in an effervescent electrolyte tablet and let it dissolve fully before drinking.
Yes, it's made from BPA-free plastic.
Yes, it's dishwasher-friendly for easy everyday cleaning.