OSL Nalgene 32oz Gym Bottle | Old School Labs of California
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Home » Products » OSL Nalgene® 32oz Gym Bottle

OSL Nalgene® 32oz Gym Bottle


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Key Advantages
Why It Makes Sense
Key Advantages
Completely leak-proof

Continuous, straight shouldered semi-buttress threads keep the bottle sealed tight.

Completely leak-proof
BPA-Free and Dishwasher safe

The OSL Nalgene water bottle is made from Tritan™ which doesn’t contain BPA, BPS or any other bisphenols. And, it retains its color and gloss even after hundreds of dishwasher cycles.

BPA Free
Stain, odor, and shatter resistant

The OSL Nalgene water bottle has much greater shatter resistance than other plastics and glass. It won’t warp or crack in the dishwasher. And, unlike stainless steel, it won’t dent or ding.

Extremely Resistant

Why It Makes Sense

What Are You Looking for in a Water Bottle?

If you’re looking for a water bottle that holds up against bangs, bumps, and drops – and will never leak a single drop ever, then the OSL Nalgene 32oz Gym Bottle is the one you need. There’s a reason why its construction hasn’t changed in decades - because it works, extremely well.

  • BPA, BPS and Phthalate Free. Made from Tritan™ plastic
  • Large opening easily accommodates accommodates liquids, powders, and ice cubes - and makes cleaning a breeze
  • Attached Loop-top never gets lost and screws on and off easily
  • Printed OSL graduations let you keep track of your hydration
  • Resistant to staining and odor


Pro Tips

Be well-hydrated before, during and after a workout. Follow these American College of Sports Medicine guidelines for Hydration:

  • Hydrate well in the hours preceding exercise
  • Take in 400-600 ml of fluid 2 hours before training
  • Drink water during training
  • Don’t use thirst as an indicator. You’re already dehydrated if that’s the case

HEIGHT: 8.25 in (215 mm), DIAMETER: 3.5 in (89 mm), CAP DIAMETER: 2.48 in (63 mm)

Actual Volume to Brim
38 oz (1,210 ml)

6.25 oz (178 g)


  1. Is it dishwasher safe?

    The bottle is top-rack dishwasher safe. Alternately, you can wash your bottle by hand in warm soapy water.

  2. Can I put hot liquids in my bottle?

    Although technically you can, we do not recommend it. Hot or boiling liquids will heat up the bottle and may warp the plastic.

  3. How can I keep my Nalgene® water bottle from smelling?

    The OSL Nalgene® water bottle is made of Tritan™ and is therefore odor resistant. However, we still recommend you avoid storing liquids for too long and rinse or wash your bottle between uses.

  4. Is the Nalgene® water bottle microwave safe?

    While the plastics used in the OSL Nalgene® water bottle are BPA and Phthalate-free, microwaving is strongly discouraged. If you microwave them for too long, you could end up warping the plastic.

  5. Can I freeze my Nalgene® water bottle?

    This bottle is made of Tritan™ and is safe to freeze — just make sure you only fill it ¾ full so there’s room for the water to expand.

More Questions?

If you have any questions about this product please feel free to get in touch. At Old School Labs™, we pride ourselves in the quality of our products and our customer service.

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