The UltraFlask™ 600 soft flask is an ideal compliment to the Endurance Pack, HydraQuiver Vest Packs, Gear Vest, Adventure Pack and PFV series of Orange Mud products. You can quickly stash the flask in your front chest pocket for access on the fly plus it comes with an optional use 4" hose. Quickly take it off if you just want the bite valve, or if you want the hose leave it as is! 

Features

  • BODY CONFORMING SOFT FLASK - Soft flask, super soft material conforms to any pocket
  • ANTI-SLOSH - Shrinks as you drink, reducing water sloshing
  • VERSATILE DESIGN - Use with or without tube, option to mount bite valve directly to cap
  • FULL SIZE ICE CUBE FRIENDLY - 42 mm sport cap with silicone bite-valve
  • Can be frozen or filled with warm water (max temp 140°F / 60°C)
  • Durable, built for a lifetime of tough use, No-Leak™ Guarantee

    Specifications

    • CAPACITY: 600ml / 20 fl oz
    • WEIGHT: 1.5 oz (43 g)
    • DIMENSIONS:  8.25 x 2.6 (20.96cm x 6.6cm)
    • MATERIAL: 0.25 mm TPU, HDPE

    Care Instructions

    • Rinse before use. Dishwasher safe (top rack recommended).
    • Note that the hose is held in place by a press fit plug on the bottom of the cap. If you want to take it apart to clean, just pull the hose firmly off the cap, being careful not to lose the plug. 
    average rating 4.9 out of 5
    Based on 57 reviews
    • 5 Stars
      54 Reviews
    • 4 Stars
      3 Reviews
    • 3 Stars
      0 Reviews
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      0 Reviews
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      0 Reviews
    100% of reviewers would recommend this product to a friend
    Times Used
    Rated 3 out of 5
    Quality
    Rated 4 out of 5
    Function
    Rated 4 out of 5
    Customer photos and videos
    57 Reviews
    Reviewed by Jose F., from United States
    Verified Buyer
    I recommend this product
    Product Standouts
    • Easy to Wash
    • Very Comfortable
    • No Bounce
    • No Chaffing
    I use it for
    • Trail Running
    • Road Running
    Rated 5 out of 5
    Review posted

    Awesome product

    I love it the size of the bladder is perfect for short but strenuous runs and it fits and mold perfect to your back

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    Rated 5 out of 5
    Quality
    Rated 5 out of 5
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    Rated 5 out of 5
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    Reviewed by brandy h., from United States
    Verified Buyer
    I recommend this product
    Product Standouts
    • Easy to Wash
    • Very Comfortable
    • No Bounce
    • No Chaffing
    • Easy Access
    I use it for
    • Trail Running
    • Ultrarunning
    • Marathon
    Rated 5 out of 5
    Review posted

    Extra fuel

    Great bottle to add to vest for more hydration.

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    Times Used
    Rated 2 out of 5
    Quality
    Rated 5 out of 5
    Function
    Rated 5 out of 5
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    Reviewed by Ruth H., from United States
    Verified Buyer
    I recommend this product
    Product Standouts
    • Easy to Wash
    • High Quality
    • Easy Access
    • Very Comfortable
    • No Chaffing
    I use it for
    • Trail Running
    • Road Running
    Rated 5 out of 5
    Review posted

    The perfect product

    These 600ml flasks are of outstanding quality. I would definitely recommend them to others!

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    Times Used
    Rated 3 out of 5
    Quality
    Rated 5 out of 5
    Function
    Rated 5 out of 5
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    Reviewed by Nathan D., from United States
    Verified Buyer
    I recommend this product
    Product Standouts
    • High Quality
    • Easy Access
    I use it for
    • Trail Running
    • Road Running
    Rated 5 out of 5
    Review posted

    Solid product!

    Exactly as expected, solid product, quality material, and a perfect container for some Tailwind!

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    Times Used
    Rated 2 out of 5
    Quality
    Rated 5 out of 5
    Function
    Rated 5 out of 5
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    Reviewed by Melissa B., from United States
    Verified Buyer
    I recommend this product
    Product Standouts
    • High Quality
    • Easy Access
    • Very Comfortable
    • Easy to Wash
    • No Bounce
    I use it for
    • Trail Running
    • Road Running
    • Mountain Biking
    Rated 5 out of 5
    Review posted

    Must have

    I run with a dog and use this for him. It squirts easily into his mouth or a bowl. It fits so nice in the front pocket of my endurance pack.

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    Times Used
    Rated 5 out of 5
    Quality
    Rated 5 out of 5
    Function
    Rated 5 out of 5
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