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Pro-Light Waterproof Backpack - 20 Litres + Hydration Bladder

£78.74

~~£104.99~~ £78.74

Colour: Black

20 Litres

30 Litres

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Backpack Tidy M or L - SAVE 25% when bought with this product

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Water Bottle – 750ml - SAVE 25% when bought with this product

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IP66 - Quick Submersion

Eco-Friendly Packaging

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 + Hydration Bladder

Colour: Black

£78.74

~~£104.99~~ £78.74

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.
INTERNAL POCKET
HF welded wet / dry pocket for storing precious items.
AIR-FLOW STRAPS
Ergonomically designed to be super comfortable with reflective patches.
QUICK RELEASE BUNGEE
Elasticated bungee system to securely store items you want quick to hand.
PADDED AIR FLOW PANEL
Comfortable water resistant and ventilated back panel with lumbar support.

Tech spec

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.

Bundled FREE with the 2 Litre Hydration Bladder, designed for use with Pro-Light Waterproof Backpacks, it’s made from BPA-safe, PVC-free fabrics.

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.

2ATOP SEAL

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

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).

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).

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 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 £50, and upgrade to Express Delivery for just £5.