Classic 18oz

Sierra Sunset
Winter Plum
Brushed Stainless
Shale Black
Sea Crest
Wild Orchid
M = matte finish color

$ 18.95

Classic 18oz is rated 4.6 out of 5 by 138.
The Classic 18oz is our original stainless steel water bottle designed for kids and adults with easy hydration in mind. Single wall design is lightweight, small and easy to bring anywhere. Klean Coat™ powder coat finish is 4X more durable, chip-resistant and safe for people and planet. Also check out our Classic 18oz with Loop Cap.
  • 18/8 Stainless Steel construction.
  • Klean Coat™ powder coat finish is 4X more durable than our previous finish and formulated for human and environmental health (Brushed Stainless has no coating).
  • Electropolished interior, a safe & non-toxic process, and rounded corners make it easy to clean.
  • Includes spill proof, high flow Sport Cap 3.0. Cap is not designed to be leakproof.
  • Compatible with all Classic Caps, including the leak proof Loop Cap & plastic-free Bamboo Cap.
  • Backed by the lifetime Strong as Steel guarantee.
Easy Clean BPA Free Chip Resistant
Capacity 18 fluid ounces (532 ml)
Weight (w/loop cap) 6.0 ounces (170.0 g)
Weight (w/sport cap) 6.4 ounces (181.4 g)
Size (w/loop cap) 8.6" H x 2.9" W (219.1 mm x 72.8 mm)
Size (w/sport cap) 8.9" H x 2.9" W (225.4 mm x 72.8 mm)
Opening Diameter 1.75" (44 mm)
UPC - Title (Wild Orchid) 763332043243 - Klean Kanteen 18oz Classic Stainless Steel Water Bottle with Klean Coat, Single Wall and Leak Resistant Sport Cap 3.0 - Wild Orchid
UPC - Title (Mineral Red) 763332043236 - Klean Kanteen 18oz Classic Stainless Steel Water Bottle with Klean Coat, Single Wall and Leak Resistant Sport Cap 3.0 - Mineral Red
UPC - Title (Spring Green) 763332043229 - Klean Kanteen 18oz Classic Stainless Steel Water Bottle with Klean Coat, Single Wall and Leak Resistant Sport Cap 3.0 - Spring Green
UPC - Title (Sea Crest) 763332043212 - Klean Kanteen 18oz Classic Stainless Steel Water Bottle with Klean Coat, Single Wall and Leak Resistant Sport Cap 3.0 - Sea Crest
UPC - Title (Coastal Waters) 763332043205 - Klean Kanteen 18oz Classic Stainless Steel Water Bottle with Klean Coat, Single Wall and Leak Resistant Sport Cap 3.0 - Coastal Waters
UPC - Title (Shale Black) 763332043199 - Klean Kanteen 18oz Classic Stainless Steel Water Bottle with Klean Coat, Single Wall and Leak Resistant Sport Cap 3.0 - Shale Black
UPC - Title (Brushed Stainless) 763332043182 - Klean Kanteen 18oz Classic Stainless Steel Water Bottle Single Wall with Leak Resistant Sport Cap 3.0 - Brushed Stainless

Child Safety Warning: Sport Cap 3.0 not intended for children 3 and under. Not intended for chewing or teething. Always use this product with adult supervision. Always ensure the silicone valves are properly installed. Adult assembly required.

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Compatible Caps

Klean Coat™

A new standard in durability and safety for people and planet. We're proud to introduce a chip-resistant, durable Klean Coat finish that is designed with care to stand up to your inspired life.

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Rated 5 out of 5 by from Fine tool for the job. This is a very durable bottle for room temperature liquid applications. If you want the water cold go thermal. The sport cap leaks a bit but not a problem if kept upright in your pack. The loop lid is bullet proof and ideal for day pack, golf bag, or any application where the bottle gets thrown around or left on its side for extended periods. Very lightweight when empty. Easy to clean. The carburetor on the sport cap is rather noisy when dispensing unless you use a finger to muffle. Sounds like your sucking that last bit of shake from the bottom of a paper cup. Still a 5 star product when both caps are available for specific duty.
Date published: 2017-09-27
Rated 5 out of 5 by from Amazing!! You should totally buy one! The Klean Kanteen company sent my class 30 classic 18 ounce water bottles! In our computer class my teacher told us to write a letter requesting products. I choose this company because I love all of there products. The next week they sent me and my classmates water bottles. I wrote them back with a thank you letter and now I am writing a review. We tried them all out and everybody loved them! They loved the mouth and how it was sealed very nicely. We only have 1 little recommendation, the water bottle gets really cold when you touch, Yes I get it you can get insulated ones, but if you put ice water in them, they get very cold. Otherwise they are perfectly fine and I totally recommend them for everybody.
Date published: 2017-02-16
Rated 3 out of 5 by from THE GLUE! I would give this a 5 out of 5 if ONLY they didn't use some sort of super glue to glue the paper label onto the bottle. THERE are TWO Stickers, one with the barcode on the bottom, and one for the paper around the bottle when you first get it. When you remove either labels, you are left with a film of sticky residue that is IMPOSSIBLE to scrape off. I've tried oils, baking soda, soaking in vinegar, shaving it with razor. It only minimally reduced the stickiness, but ultimately its still there, being stick. What's worse is that I bought 3 different klean kanteen bottles/cups, and they ALL had the same issue with the glue used to stick the labels on.
Date published: 2019-10-02
Rated 5 out of 5 by from The best bottle I have ever bought! If you are consderinf buying a Klean Kanteen I emplore you to do so. This was my first Klean Kanteen that I bought and I loved it so much that I bought 3 more. I have recently bought the insulated Klean Kanteen and I can assure you that it will keep your drinks colder longer than any of the competitors will (and I have used them all). One of the most notable parts is the solid silicon o-ring that seals the bottle. Along with it assuring that the bottle is leakproof, it makes sanatizing the bottle way easier due to the lack of small unreachable places for bacteria to grow. All and all, if you want the BEST bottles Klean Kanteen is your only choice. Awesome company and amazing products!
Date published: 2019-02-27
Rated 4 out of 5 by from Great purchase Love this bottle, the only things I don't like about it are mostly my fault. I ordered this bottle for coffee not realizing that it wasn't insulated, and it gets VERY hot (or very cold depending on what is inside) and it hurt to touch (the instructions that came with the bottle said don't put hot liquids in, so it's not like they don't warn you, but I didn't see this on the website,) however this was an easy fix with ordering a $2 bonison water bottle sleeve on Amazon. The bottle also sweats a lot with cold water, but the sleeve helped that too. Other than those two aspects, no complaints with the bottle. Really really great purchase, and very fast shipping.
Date published: 2016-11-01
Rated 1 out of 5 by from Disappointed with leaking and unsanitary top I am forever in search of water bottles that will fit in my teenagers' lunchboxes that don't leak. I was hopeful for these 18oz. Klean Kanteens with the sport caps, but was very disappointed. The kids complained about the water bottle leaking all over the lunchbox and also about the wanting a cover for the spout (because the inside of the lunchbox is not always so clean...). These water bottles failed on both of those fronts and unfortunately I had bought 4 for $80. Complete waste of money.
Date published: 2016-09-24
Rated 1 out of 5 by from Filthy Kanteen Do you like drinking mold? Then here’s the perfect bottle for you! With an exceptionally inconvenient design and a lid that’s nearly impossible to clean, Klean Kanteen will ensure that you will get to drink mold to your heart’s content. The lid is so strangely designed that you can’t get a good clean, and so dark and weirdly shaped that you won’t even notice all of the filth that has developed inside. Klean Kanteen? More like Filthy Kanteen.
Date published: 2019-01-17
Rated 4 out of 5 by from Branding Klean Kanteens are well known for their exceptional durability and usefulness. The Classic 18oz is the perfect size for quick liquid hauls, whatever they may be. I don't have to worry about spills and all the scratches acquired over time only enhances the appearance of the Klean Kanteen; which is why I think the logo could be printed smaller on the bottles. At this point, the product speaks for itself. No need to blast the branding. A more subtle approach to printing the Klean Kanteen logo on the exterior is a tasteful and radical way to approach product awareness.
Date published: 2017-07-21
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