Skip to content
  • 🛍️ Shop till you drop and enjoy free shipping! 🛍️
  • 🛍️ Shop till you drop and enjoy free shipping! 🛍️
Sports Apparel ShopSports Apparel Shop
  • Menu
    • No products in the basket.

      Return to shop

  • Basket

    No products in the basket.

    Return to shop

  • Shoes
    • Trail Running Shoes
    • Structured Cushioning Running Shoes
    • Cushioning Running Shoes
    • Hiking & Walking Boots
    • Low or Zero Drop Running Shoes
    • Motion Control Running Shoes
    • Fell Running Shoes
    • Waterproof/Gore-Tex Running Shoes
    • Road Racing Running Shoes
  • Running Bags
    • Race Vests/Hydration Vests
    • Running Waist Pouches and Bumbags
  • Clothing
    • Running Jackets
    • Running Socks
    • Running Shorts
    • Running Tights and Tracksters
    • Running Headwear
    • Running Mid Layers
    • Running T-Shirts
    • Running Gloves
    • Running Base Layers
  • Accessories
    • Running Watches
    • Drinks Bottles
    • Head Torches
    • Sunglasses
  • Best Seller
Home / Accessories / Drinks Bottles
  • SoftFlask™ 500 Running Bottle (500ml) -Sports Apparel Shop softflask 500 running bottle 500ml p8293 32964 image
  • COROS APEX 42mm/PACE 2 Silicone Quick Release Band -Sports Apparel Shop coros apex 42mm pace 2 silicone quick release band p6013 25487 image
-30%
OMM Ultra Flexi Flask 350ml (Straw)

OMM Ultra Flexi Flask 350ml (Straw)

£17.99 Original price was: £17.99.£12.59Current price is: £12.59.

Buy Now
SKU: BM9YD 1699703303 Categories: Accessories, Drinks Bottles Tag: OMM
  • No Compromise on Quality
  • fast shipping
  • Risk-Free Shopping with Returns
  • Shop quality, shop with us.
Browse
  • Accessories
    • Drinks Bottles
    • Head Torches
    • Running Watches
    • Sunglasses
  • Clothing
    • Running Base Layers
    • Running Gloves
    • Running Headwear
    • Running Jackets
    • Running Mid Layers
    • Running Shorts
    • Running Socks
    • Running T-Shirts
    • Running Tights and Tracksters
  • Running Bags
    • Race Vests/Hydration Vests
    • Running Waist Pouches and Bumbags
  • Shoes
    • Cushioning Running Shoes
    • Fell Running Shoes
    • Hiking & Walking Boots
    • Low or Zero Drop Running Shoes
    • Motion Control Running Shoes
    • Road Racing Running Shoes
    • Structured Cushioning Running Shoes
    • Trail Running Shoes
    • Waterproof/Gore-Tex Running Shoes
  • Uncategorized
  • Description
  • Reviews (0)

OMM flasks are flexible and compress down in volume as you drink, eliminating water sloshing/bouncing inside and reduces the sucking effort. The durable thermoplastic allows for easy storage on the move. Also features a secure bite valve to ensure no spills when stored.

FEATURES

  • Durable Thermoplastic
  • Polyurethane (TPU) construction with extra grip
  • Flexible / squeezable lets you easily squeeze out gels or liquids
  • Compresses as you drink, reduces sloshing/bouncing of fluids
  • Straw for easy reach
  • Slim and lightweight easy to fill and clean with wide opening
  • Interchangeable straw bite valve
  • BPA PVC and Phthalate free

TECHNICAL DETAILS

  • Colour: Clear
  • Volume: 350ml
  • Fabric: TPU (Thermoplastic Polyurethane)
  • Weight: 50g

Reviews

There are no reviews yet.

Be the first to review “OMM Ultra Flexi Flask 350ml (Straw)” Cancel reply

Related products

-30%
OMM Core+ Insulated & Sweat Wicking Mens Running Hoodie Black/Grey
Quick View

OMM Core+ Insulated & Sweat Wicking Mens Running Hoodie Black/Grey

£89.95 Original price was: £89.95.£62.97Current price is: £62.97.
-47%
OMM Phantom 25 Backpack
Quick View

OMM Phantom 25 Backpack

£179.99 Original price was: £179.99.£95.99Current price is: £95.99.
-30%
OMM TrailFire Race Vest Blue (Includes 2x 350ml FLEXI FLASK)
Quick View

OMM TrailFire Race Vest Blue (Includes 2x 350ml FLEXI FLASK)

£67.49 Original price was: £67.49.£47.24Current price is: £47.24.
-30%
OMM Ultra 15 Running Bag With 15L Storage
Quick View

OMM Ultra 15 Running Bag With 15L Storage

£58.45 Original price was: £58.45.£40.92Current price is: £40.92.
-30%
OMM MountainFire 15 Race Vest Blue
Quick View

OMM MountainFire 15 Race Vest Blue

£109.99 Original price was: £109.99.£76.99Current price is: £76.99.
-30%
OMM Waistbelt 3 Green Running Waist Pack/Bum Bag
Quick View

OMM Waistbelt 3 Green Running Waist Pack/Bum Bag

£22.49 Original price was: £22.49.£15.74Current price is: £15.74.
-30%
OMM MountainFire 15 Race Vest Orange
Quick View

OMM MountainFire 15 Race Vest Orange

£109.99 Original price was: £109.99.£76.99Current price is: £76.99.
-30%
OMM TrailFire Race Vest Black (Includes 2x 350ml FLEXI FLASK)
Quick View

OMM TrailFire Race Vest Black (Includes 2x 350ml FLEXI FLASK)

£67.49 Original price was: £67.49.£47.24Current price is: £47.24.
MY ACCOUNT
  • Cart
  • Checkout
  • My account
  • Wishlist
ABOUT US
  • About Us
  • FAQ
  • Returns & Exchanges
  • Delivery
  • Contact Us
LEGAL
  • Privacy Policy
  • Payment Method
  • Shipping & Returns
  • Term and Conditions
Signup for Newsletter

Sign up for exclusive offers, original stories, events and more.

    Copyright 2026 © Sports Apparel Shop
    • Shoes
      • Trail Running Shoes
      • Structured Cushioning Running Shoes
      • Cushioning Running Shoes
      • Hiking & Walking Boots
      • Low or Zero Drop Running Shoes
      • Motion Control Running Shoes
      • Fell Running Shoes
      • Waterproof/Gore-Tex Running Shoes
      • Road Racing Running Shoes
    • Running Bags
      • Race Vests/Hydration Vests
      • Running Waist Pouches and Bumbags
    • Clothing
      • Running Jackets
      • Running Socks
      • Running Shorts
      • Running Tights and Tracksters
      • Running Headwear
      • Running Mid Layers
      • Running T-Shirts
      • Running Gloves
      • Running Base Layers
    • Accessories
      • Running Watches
      • Drinks Bottles
      • Head Torches
      • Sunglasses
    • Best Seller
    • Login

    Login

    Lost your password?

    Register

    Your personal data will be used to support your experience throughout this website, to manage access to your account, and for other purposes described in our privacy policy.