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  • OverBoard Pro-Vis Waterproof Backpack - 20 Litres | OB1157HVY
  • OverBoard Pro-Vis Waterproof Backpack - 20 Litres | OB1157HVY
  • OverBoard Pro-Vis Waterproof Backpack - 20 Litres | OB1157HVY
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Pro-Vis Waterproof Backpack - 20 Litres

Pro-Vis Waterproof Backpack - 20 Litres

£67.49
£89.99 £67.49
Colour: Yellow

ADD ACCESSORY

Backpack Tidy - Medium 14

Backpack Tidy M or L - Buy together with this product.

Select
Magnetic LED Light

Magnetic LED Light - Buy together with this product.

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IP66 - Quick Submersion

5 Year Extended Warranty

Eco-Friendly Packaging
  • 100% waterproof protection: High-visibility design keeps gear dry during wet-weather cycling, commutes, and water adventures - even if submerged.
  • Best in class: HF welded construction and extra tough fabric ensure maximum waterproof durability for extreme conditions and daily use.
  • Feature packed: Large reflective splash & weatherproof pocket, MOLLE lashing & attachment system, extra large front reflective strips, large side pockets and internal Wet/Dry pocket for smart storage.
See specs & sizing
VIEW FULL PRODUCT DETAILS

Pro-Vis Waterproof Backpack - 20 Litres

Colour: Yellow
£67.49
£89.99 £67.49

KEY FEATURES

  • REFLECTIVE STRIPS

    Extra-large front reflective strips enhance visibility in low-light conditions.

  • MOLLE SYSTEM

    High-frequency welded front patch offers secure attachment to boats, SUPs, bikes, and more.

  • QUICK ACCESS POCKET

    Large splash & weatherproof front pocket with reflective zip to store items you want quickly to hand (IP65) - W: 33cm x H: 38cm.

  • CONVENIENT SIDE POCKETS

    Two generously sized elasticated side pockets, perfect for accommodating 750ml water bottles, snacks, or accessories.

  • ADJUSTABLE STRAPS

    Featherlight, comfortable backpack straps with reflective patches and added waist and sternum straps for enhanced travel comfort.

  • DETACHABLE STRAPS

    Easily remove or reattach the waist straps depending on your planned activity.

  • HF WELDED SEAMS

    Utilising high-frequency welded construction, this technique creates an exceptionally robust and waterproof bond.

  • VERSATILE SEAL

    Simple 3-way waterproof roll-top system (Top, Side, or Messenger) allows for customisable closure based on use or protection level.

Tech spec

Messenger seal strap (IP65)
MOLLE lashing & attachment system
HF welded seams
Large splash & weatherproof pocket. (W: 33cm × H: 38cm) - IP65
Front reflective strip
Top or side Fold Seal System™ (IP66)
Comfortable neoprene padded straps
2 × Large side pockets suitable for 750ml bottles
High Visibility PVC tarpaulin main body
Extra large front reflective strips
4 × Side reflective strips
Large internal wet / dry pocket (W: 22 × H: 28cm)
Ergonomic padded back panel with lumbar support
Large reflectve patch on shoulder strap × 2
Large reflectve patch on shoulder strap × 2
D-ring× 2
Adjustable waist strap (up to 48″ waist)
Vertical and horizontal adjustable sternum strap with whistle buckle
Finger friendly adjustable straps

Select a dot on the image to see the technical features

Product details

DESCRIPTION

Introducing the updated OverBoard 20 Litre Pro-Vis Waterproof Backpack, engineered for total waterproof protection. With fully welded seamless construction and a 3-way roll-top sealing system (top, side, and messenger), it guarantees 100% waterproofing—ideal for quick submersion.

 

Made from high-visibility PVC tarpaulin, this backpack prioritises safety, keeping you visible day or night. Extra-large reflective front and side panels enhance visibility in low-light conditions.

 

Designed for comfort and functionality, it features fully adjustable padded backpack straps with large reflective patches, a spacious weatherproof front zip pocket for easy access to essentials, and two large side pockets for water bottles. The integrated MOLLE system allows versatile attachment options, making it perfect for any adventure.


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
  • High Visibility PVC so can be seen day or night
  • Extra large front reflective strips
  • Large splash & weatherproof pocket (IP65) with reflective zip
  • MOLLE lashing & attachment system compatible with LED Light
  • Super tough PVC fabrics on side and base
  • Protects contents from dust, sand, dirt and water
  • 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
  • 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
0.95kg
Fully sealed dimensions using the roll-top method.
Pro-Vis Waterproof Backpack Size Guide
DELIVERY

Orders placed before 3pm, Monday to Friday, are dispatched the same day and typically arrive within 2 business days, even with Standard Delivery.

Orders placed after 3pm on Fridays, or on weekends and public holidays, will be dispatched on the next working day.

Delivery options:

  • Standard Delivery (2 to 5 business days): £3.95 – sent with Royal Mail
  • Express Delivery (1 to 2 business days): £8.95 – sent with DPD Couriers (no weekend deliveries)

💡 Enjoy Free Standard Delivery on all orders over £100, and upgrade to Express Delivery for just £5.

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."
"Really kind and helpful service when I asked for help."
4.9/5
3,500+ Reviews

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