• OverBoard Pro-Light Waterproof Backpack 20 Litres
  • OverBoard Pro-Light Waterproof Backpack 20 Litres
  • OverBoard Pro-Light Waterproof Backpack 20 Litres
  • OverBoard Pro-Light Waterproof Backpack 20 Litres
  • OverBoard Pro-Light Waterproof Backpack 20 Litres
  • OverBoard Pro-Light Waterproof Backpack 20 Litres
  • OverBoard Pro-Light Waterproof Backpack 20 Litres
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Pro-Light Waterproof Backpack - 20 Litres

Pro-Light Waterproof Backpack - 20 Litres

$249.99
$249.99
Colour: Black

IP66 - Quick Submersion

Eco-Friendly Packaging

5 Year Extended Warranty

Key Features Comparison
  • 100% waterproof protection: Sealed to handle quick submersion - keeps gear dry during all water sports and wet-weather adventures.
  • Best in class: Lightweight TPU fabric and HF welded seams deliver durable, waterproof performance when every ounce counts on land or water.
  • Feature packed: Hydration pocket, large side pockets, cushioned back, adjustable straps, and internal Wet/Dry pocket for smart storage.
See specs & sizing
VIEW FULL PRODUCT DETAILS

Pro-Light Waterproof Backpack - 20 Litres

Colour: Black
$249.99
$249.99

KEY FEATURES

  • STERNUM STRAP

    Fully adjustable sternum strap with whistle buckle on a horizontal slider to ensure maximum comfort.

  • LARGE SIDE POCKETS

    Elasticated mesh design to accommodate large water bottles.

  • HF WELDED SEAMS

    High Frequency welded construction for a super tough waterproof bond.

  • RESERVOIR POCKET

    Dedicated hydration pocket with secure loop suitable for 3L reservoirs with tube and mouth piece tidy on right strap.

  • QUICK RELEASE BUNGEE

    Elasticated bungee system to securely store items you want quick to hand.

  • INTERNAL POCKET

    HF welded wet / dry pocket for storing precious items.

  • AIR-FLOW STRAPS

    Ergonomically designed to be super comfortable with reflective patches.

  • PADDED AIR FLOW PANEL

    Comfortable water resistant and ventilated back panel with lumbar support.

Tech spec

Top or Side Fold Seal System™ (IP66)
HF Welded Seams
Top seal safety strap
Lightweight eco-friendly TPU fabric
Front zip mesh pocket
Light reflective strip × 2
Large mesh pocket × 2
Large mesh pocket × 2
Elasticated webbing
Multiple D-rings
Sternum strap whistle buckle
Adjustable and removable waist strap
Drainage hole for hydration pocket
Adjustable backpack and sternum straps
Reflective shoulder strap patch × 2
Shoulder strap hydration tube and mouth piece tidy
Padded straps with air-flow design
Ergonomic and breathable back panel
Internal welded zip pocket – H: 25cm × W: 21cm
Internal Velcro strip to attach Backpack Tidy
Hydration pocket suitable for up to 3L reservoirs - H: 42cm × W: 19cm

Select a dot on the image to see the technical features

Product details

DESCRIPTION

The OverBoard 20 Litre Pro-Light Waterproof Backpack features seamless high-frequency welded construction and a simple 3-way roll-top sealing system (top, side & messenger), making it fully submersible and the ideal choice for water-based activities.

Made from feather-light, eco-friendly TPU materials, it’s designed for those who need to save every ounce. With a large front mesh zip pocket with reflective strips, padded shoulder straps, and an air-flow back panel, it’s a comfortable and practical backpack for cyclists and water sports enthusiasts.

Not sure which 100% Waterproof Backpack to choose? View our Key Features Comparison Guide.

Want to protect your laptop or tablet inside? Check out our Backpack Tidy.

#Keep it dry!

SEALING

 

1ROLL NECK TIGHTLY

Roll neck tightly towards the front of the waterproof backpack 3 times.

Roll Neck Tightly

2ATOP SEAL

Bring ends together and buckle to securely fasten and create a waterproof seal suitable for quick submersion (IP66).

Top Seal

2BSIDE SEAL

Connect the buckles at each side and pull compression straps to securely fasten and create a waterproof seal suitable for quick submersion (IP66).

Messenger Seal

2CMESSENGER SEAL

Bring the top strap towards the front of the backpack and secure to the Velcro patch to create a foul weather and spray proof seal (IP65).

Messenger Seal
FEATURES
  • 100% waterproof backpack - Class 3: IP66
  • Floats safely if dropped in water
  • Made from eco-friendly and lightweight TPU fabrics
  • Quick access front zip mesh pocket
  • 3 way sealing system (traditional top, side compression or messenger seal)
  • Protects contents from dust, sand, dirt and water
  • Quick access front zip mesh pocket
  • High Frequency welded construction
  • Padded shoulder straps and lumbar support
  • Ventilated back panel with air-flow design
  • Comfortable and buoyant light-weight straps
  • Ventilated straps with reflective patches
  • Adjustable waist and sternum straps
  • 2 x reflective front strips
  • D-rings for multiple attachment options
  • Internal zip accessories pocket - H: 25cm x W: 21cm
  • Dedicated hydration pocket suitable for up to 3L reservoirs - H: 42cm × W: 19cm
  • Internal Velcro strip to attach Backpack Tidy
  • 2 x large elasticated mesh side pockets
  • Top carry handle

 

View our Backpack Key Features Comparison Guide 

 

SIZING

SEALED DIMENSIONS

HEIGHT
44cm / 17.3"
WIDTH
24cm / 9.4"
DEPTH
19cm / 7.4"
CAPACITY
1200 cubic inches
WEIGHT
0.79kg
Fully sealed dimensions using the roll-top method.
Pro-Light Waterproof Backpack Size Guide
DELIVERY

Orders placed before 2pm, Monday to Friday, are dispatched the same day. Orders placed after 2pm, on weekends, or public holidays will be dispatched on the next working day.

Delivery options:

  • Standard Delivery (4 to 7 business days): $10 AUD – sent with Australia Post
  • Express Delivery (1 to 2 business days): $20 AUD – sent with Australia Post Express

💡 Enjoy FREE Standard Delivery on all orders over $100 AUD Australia-wide, or upgrade to Express Delivery for just $10 AUD.

FREE RETURNS

We want you to shop with confidence — that’s why all UK orders now come with FREE returns via InPost.

 

If something’s not quite right, simply email us at support@overboard.com to start your return, then drop your parcel at a nearby InPost locker — no labels, no queues, and no cost.

 

You’ll have 30 days to return or exchange your item, as long as it’s unused and in its original packaging.

 

Learn more about our Returns Policy.

"Quick delivery well priced and a quality standard product. Rugged and safe."
"Super quick delivery and dispatch (even on standard) great products, robust and feature packed."
"Great price, quick dispatch, loads of notifications and quick delivery, will definitely use again."
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4.9/5
3,500+ Reviews
4.9/5
3,500+ Reviews