The UltraFlask™ 500 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: 500ml / 17oz
  • WEIGHT: 1.4 oz (40 g)
  • DIMENSIONS:  7.25 x 2.6 (20.96cm x 6.6cm)
  • MATERIAL: 0.25 mm TPU, HDPE, 100% BPA and PVC Free

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 5.0 out of 5
Based on 28 reviews
  • 5 Stars
    27 Reviews
  • 4 Stars
    1 Review
  • 3 Stars
    0 Reviews
  • 2 Stars
    0 Reviews
  • 1 Star
    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
28 Reviews
Reviewed by Margaret A., from United States
Verified Buyer
I recommend this product
Product Standouts
  • Easy to Wash
  • No Bounce
  • Easy Access
  • High Quality
I use it for
  • Trail Running
Rated 5 out of 5
Review posted

Love my flasks!

These flasks work well in my Endurance Pack! Easy to fill mid race, which is nicer than struggling with a bladder!

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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 Kathy B., from United States
Verified Buyer
I recommend this product
Product Standouts
  • Easy to Wash
  • Easy Access
  • No Bounce
  • High Quality
I use it for
  • Triathlon
  • Trail Running
  • Road Running
Rated 5 out of 5
Review posted

Nice bottles. Easy to clean. Light weight

Ordered these with my new vest. Nice to take on shorter runs.

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Times Used
Rated 4 out of 5
Quality
Rated 5 out of 5
Function
Rated 5 out of 5
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Reviewed by andrew f., from United States
Verified Buyer
I recommend this product
Product Standouts
  • Easy to Wash
  • High Quality
  • Very Comfortable
  • Easy Access
I use it for
  • Trail Running
  • Road Running
  • Marathon
Rated 5 out of 5
Review posted

Water bottle

Excellent product exactly as advertised. Durable and useful, great for hydration vest. Will definitely purchase again!

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Times Used
Rated 4 out of 5
Quality
Rated 5 out of 5
Function
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
  • High Quality
I use it for
  • Trail Running
  • Marathon
  • Road Running
  • Ultrarunning
Rated 5 out of 5
Review posted

Flask

My husband and I love these bottles we use them with our packs easy to use and easy clean up.

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

Ultraflask 500ml

Lightweight, Durable and perfect for quick hydration while moving and biking. This definitely is a benefit during my Adventure Races and I promote to other team members and fellow racers.

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Times Used
Rated 4 out of 5
Quality
Rated 5 out of 5
Function
Rated 5 out of 5
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