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Select a dot on the image to see its technical features

Large splash & weatherproof pocket (W: 13" × H: 15") - IP65
Front reflective strip
Tough PVC tarpaulin main body
2 × Large Side pockets suitable for 25oz bottles
Comfortable neoprene padded straps
Top or side Fold Seal System™ (IP66)
HF welded seams
MOLLE lashing & attachment system
Messenger seal strap (IP65)
Extra tough PVC tarpaulin sides and base
Large internal wet / dry pocket (W: 8.6" × H: 11")
Ergonomic padded back panel with lumbar support
Reflective patches on shoulder strap × 2
D-ring × 2
Vertical and horizontal adjustable sternum strap with whistle buckle
Adjustable waist strap (up to 48″ waist)
Finger friendly adjustable straps
  • 100% waterproof backpack - Class 3: IP66
  • Large weatherproof front zip pocket -  Class 2: IP655
  • Reflective front zip
  • 3-Way Sealing System - Top, Side & Messenger Seal
  • Floats safely if dropped in water
  • MOLLE lashing system for flexible securing options
  • Suitable to use as an airline carry-on bag
  • Protects contents from dust, sand, dirt and water
  • High Frequency welded construction
  • Padded shoulder straps with lumbar support
  • Ventilated back panel with air-flow design
  • Comfortable light-weight straps with reflective patches
  • Adjustable sternum strap & waist belt
  • Large internal Wet / Dry pocket
  • 2 x Large outer elasticated mesh side pockets
  • Internal Velcro strip to attach Backpack Tidy
  • Top carry handle

 

View our Backpack Key Features Comparison Guide 

 

Classic Explorer Waterproof Backpack Size Guide

Classic Explorer Waterproof Backpack - 45 Liters

  1. Height: 49cm / 18.2“
  2. Width: 33cm / 12.9“
  3. Depth: 28cm / 11"
  4. Capacity: 2746 cubic inches

  5. Weight: 0.97kg

Bring the front & back together and then tightly roll the neck towards the back of the backpack 3 times purging some air by pushing down if required.

(A) Top Seal - Bring the male and female clips together and buckle to securely fasten and create a waterproof seal suitable for quick submersion (IP66).

(B) Side Seal - Connect the male and female top buckles to each side clip and pull the compression straps to securely fasten and create a waterproof seal suitable for quick submersion (IP66).

(C) Messenger 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).

  • 1 x Classic Explorer Waterproof Backpack - 45 Liters
  • 1 x Backpack Tidy - Large 15"
  • 1 x Waterproof Phone Case - Large
  • 1 x Carabineer Clip
  • 1 x Instructions / Care Guide

SHIPPING TIMES & COSTS

SAME DAY DISPATCH

Orders received before 11:30am (CST), Mon to Fri will be dispatched the same day.


Orders placed on public holidays, weekends and after 11:30am (CST) on Fridays will be dispatched on the following working day.


STANDARD SHIPPING

  • 5 to 7 business days: $5.95

  • All orders over $100 will receive FREE Standard Shipping!


EXPRESS SHIPPING

  • 2 to 3 business days: $15.95 - Mon to Fri - no weekend deliveries

Classic Explorer Waterproof Backpack Bundle - 45 Liters

74.99 99.99

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Available sizes

PRODUCT DETAILS

 

Designed for rapid submersion, this 100% waterproof backpack boasts high-frequency welded construction, making it suitable for a wide range of water and land-based activities. 

 

Packed with practical features, including a spacious front weatherproof zip pocket for quick access to essentials, two large side pockets perfect for sizable water bottles, and a MOLLE system for versatile attachment and securing options.

 

Bundled together for FREE is the Waterproof Phone Case - Large and Backpack Tidy - Large – Designed for use with the OverBoard Classic Explorer Waterproof Backpacks.

 

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

 

Want to protect your precious laptop or tablet inside your waterproof backpack? Then check out our Backpack Tidy.

Tech Specs

Select a dot on the image to see its technical features

Large splash & weatherproof pocket (W: 13" × H: 15") - IP65
Front reflective strip
Tough PVC tarpaulin main body
2 × Large Side pockets suitable for 25oz bottles
Comfortable neoprene padded straps
Top or side Fold Seal System™ (IP66)
HF welded seams
MOLLE lashing & attachment system
Messenger seal strap (IP65)
Extra tough PVC tarpaulin sides and base
Large internal wet / dry pocket (W: 8.6" × H: 11")
Ergonomic padded back panel with lumbar support
Reflective patches on shoulder strap × 2
D-ring × 2
Vertical and horizontal adjustable sternum strap with whistle buckle
Adjustable waist strap (up to 48″ waist)
Finger friendly adjustable straps

Product Features

  • 100% waterproof backpack - Class 3: IP66
  • Large weatherproof front zip pocket -  Class 2: IP655
  • Reflective front zip
  • 3-Way Sealing System - Top, Side & Messenger Seal
  • Floats safely if dropped in water
  • MOLLE lashing system for flexible securing options
  • Suitable to use as an airline carry-on bag
  • Protects contents from dust, sand, dirt and water
  • High Frequency welded construction
  • Padded shoulder straps with lumbar support
  • Ventilated back panel with air-flow design
  • Comfortable light-weight straps with reflective patches
  • Adjustable sternum strap & waist belt
  • Large internal Wet / Dry pocket
  • 2 x Large outer elasticated mesh side pockets
  • Internal Velcro strip to attach Backpack Tidy
  • Top carry handle

 

View our Backpack Key Features Comparison Guide 

 

Size Guide

Classic Explorer Waterproof Backpack Size Guide

Classic Explorer Waterproof Backpack - 45 Liters

  1. Height: 49cm / 18.2“
  2. Width: 33cm / 12.9“
  3. Depth: 28cm / 11"
  4. Capacity: 2746 cubic inches

  5. Weight: 0.97kg

Sealing Guide

Bring the front & back together and then tightly roll the neck towards the back of the backpack 3 times purging some air by pushing down if required.

(A) Top Seal - Bring the male and female clips together and buckle to securely fasten and create a waterproof seal suitable for quick submersion (IP66).

(B) Side Seal - Connect the male and female top buckles to each side clip and pull the compression straps to securely fasten and create a waterproof seal suitable for quick submersion (IP66).

(C) Messenger 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).

What's Included

  • 1 x Classic Explorer Waterproof Backpack - 45 Liters
  • 1 x Backpack Tidy - Large 15"
  • 1 x Waterproof Phone Case - Large
  • 1 x Carabineer Clip
  • 1 x Instructions / Care Guide

Delivery

SHIPPING TIMES & COSTS

SAME DAY DISPATCH

Orders received before 11:30am (CST), Mon to Fri will be dispatched the same day.


Orders placed on public holidays, weekends and after 11:30am (CST) on Fridays will be dispatched on the following working day.


STANDARD SHIPPING

  • 5 to 7 business days: $5.95

  • All orders over $100 will receive FREE Standard Shipping!


EXPRESS SHIPPING

  • 2 to 3 business days: $15.95 - Mon to Fri - no weekend deliveries
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Customer Reviews

Based on 12 reviews Write a review

WATERPROOF & SUBMERSIBLE

With our straightforward roll-top 3-way sealing system and seamless high-frequency welded construction, this outdoor backpack provides top-tier gear protection with an IP66 Waterproof Rating. It safeguards your essentials from water, sand, dirt, and dust, making it ideal for various adventures such as hiking, rafting, kayaking, boating, biking, or fishing. The backpack is submersible, floats, ensuring your belongings remain dry and secure in any environment.

CLASSIC EXPLORER WATERPROOF BACKPACK KEY FEATURES

Backpacks Classic Explorer

QUICK ACCESS POCKET

Large splash & weatherproof front pocket with reflective zip to store items you want quickly to hand (IP65) – W: 13" × H: 15".

Backpacks Classic Explorer

MOLLE SYSTEM

High-frequency welded front patch provides versatile attachment options, securely fastening to a boat, stand-up paddleboard (SUP), bike, and various other surfaces.

Backpacks Classic Explorer

SUITABLE FOR ANY SURFACE

Featuring extra tough PVC sides and durable base, this waterproof backpack can be placed on even the most challenging surfaces after use.

Backpacks Classic Explorer

CONVENIENT SIDE POCKETS

Two generously sized elasticated side pockets, perfect for accommodating 25oz water bottles, snacks, or accessories.

Backpacks Classic Explorer

VERSATILE SEAL

Featuring a simple and reliable 3-way waterproof roll-top system (Top, Side, or Messenger), you can secure the bag according to your specific use or the level of protection needed.

Backpacks Classic Explorer

HF WELDED SEAMS

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

Backpacks Classic Explorer

WET / DRY POCKET

Large internal high-frequency welded wet / dry accessories pocket for items you want stored safely inside the bag - H: 9.8" x W: 8.3".

Backpacks Classic Explorer

ADJUSTABLE STRAPS

Featherlight and exceptionally comfortable backpack straps featuring reflective patches. Equipped with waist and sternum straps for added comfort during your travels.

100% WATERPROOF
100% WATERPROOF
100% SNOW PROOF
100% SNOW PROOF
100% DIRT PROOF
100% DIRT PROOF
100% SAND PROOF
100% SAND PROOF