The yellow, 20 liter OverBoard Pro-Sports Waterproof Backpack 20L Yellowfrom OverBoard Pro-Sports Waterproof Backpack 20L Yellowis a bag with a 1,200 cubic inch capacity that is designed to be able to float and keep its contents dry even when briefly submersed up to three feet. Utilizing a fold-seal closure that is secured with a snap-buckle, this bag features an IP66 rating and is suitable for use while on a boat, raft, or whenever there is an elevated risk of the wearer or their backpack falling into water. Alternatively, this bag can be closed using side buckles. Aside from providing protection from accidental immersion and the ability for later retrieval, the Pro-Sports Waterproof Backpack may also be used for instances where some exposure to water is anticipated, such as while crossing a stream or river.

To help ensure that this Pro-Sports Waterproof Backpack is comfortable to carry, its shoulder straps feature both padding and ventilation in addition to a ventilated back panel that further cools the wearer. An adjustable sternum strap as well as a waist strap provides additional stability and built-in lumbar support reduces pressure on the lower back.

Six external D-rings allow for direct and secure attachment of accessories while two mesh side pockets and an external mesh front pocket provide visible and easily accessible compartments. On top of the external mesh front pocket is webbing that can be tightened before being held in place with a snap buckle. A tarp, sleeping bag, sleeping pad, or coat can be easily and securely bound to the outside of the Pro-Sports Waterproof Backpack without the need to use valuable inside space. Inside the bag is a 9.8 x 8.3" pocket, suitable for items that require a higher level of security separate from those that simply need to be accessed quickly and conveniently.

Should the need arise to retrieve this bag under darkness or low-light; reflective external patches are included on the front surface and on both shoulder straps, and for emergency situations, the sternum strap features an emergency whistle buckle.

IP66 Waterproof Rating    Floats in Water    20 Liter Capacity    Padded Shoulder Straps, Waist Strap    Ventilated Back Panel and Straps    Sternum Strap with Whistle Buckle    External Front Pockets, Internal Pocket    External D-Rings, Quick-Release Webbing    Reflective External Patches    Top Carry Handle

Waterproof and submersible up to three feet

Floats if dropped in water

Contents are secured with a fold-seal and snap-buckles

Protects contents from water, dust, sand, and dirt

Padded shoulder straps and lumbar support for comfort

Ventilated back panel and shoulder straps help keep wearer cool

Adjustable sternum strap with emergency whistle buckle and waist strap for stability

Reflective patches to aid in location or retrieval under low light or darkness

Six external D-rings for optional attachments

Two external mesh side pockets, one zippered mesh front pocket

Internal pocket for additional organization

Front webbing with snap-buckle can fasten tarp, sleeping bag, or coat directly to bag

Top carry handle offers secure one-handed grip

Related Questions and Answers

Q: 1. Will this bag fit a Nikon Z9 with the 600mm pf lens attached?

A: Yes. The OverBoard Pro-Sports Waterproof SLR Camera Bag will fit the Nikon Z9 plus the 600mm PF lens attached.

Q: 2. Will this backpack accommodate a tripod?

A: Yes if the folded length of your tripod is less than 18".

Q: 3. How compact will this fold down when not in use? I'll haul my gear in with my main backpack but looking for a wet bag for Zodiac excursions.

A: about 6" square

Q: 4. Will this bag fit a Canon R5 and Canon 100-500 RF lens?

A: Yes, the OverBoard Classic Waterproof Backpack (20 Liters, Yellow) will fit your Canon EOS R5 Mirrorless Camera, with the Canon RF 100-500mm f/4.5-7.1 L IS USM Lens attached, and the lenshood on reversed. The camera and lens have a total lenght of 11.5 inches. Inserts are sold separately.

Q: 5. Is it possible to use velcro dividers from another camera bag to make compartments for camera, lenses and other parts?

A: The Ultralight Pro-Sports Waterproof Backpack from Overboard can handle camera inserts bags to divide your gear.

Q: 6. Will this bag fit a Z9 with Nikon Z 180-600?

A: The OverBoard Pro-Sports Waterproof SLR Camera Bag (Black/Gray) is too small for the Nikon Z9 with the Nikon NIKKOR Z 180-600mm f/5.6-6.3 VR Lens (Nikon Z) attached. The camera and lens is approxemelty 5.9 x 5.9 x 16".

Q: 7. Will this bag fit a nikon Df with the 200-500mm lens attached?

A: Yes. I use it for a D750 with the 200-500 lens. The Df body is slightly smaller than the D750, so it should fit just fine.

Q: 8. Will it fit a Canon 7D mkii with a Canon 400mm DO?

A: Yes, the 20L will accomodate a 7DMK2 and a Canon 400mm DO lens.

Q: 9. What are the ID and OD?

A: id is interior dimensions and od outer dimensions this bag worked VERY well for me when I went up to within 580 of North Pole with it - a good product

Q: 10. Will the bag still float while holding 12 pounds of gear?

A: It will not be able to float with 12 pounds of gear in it.