Item Descriptions:

■ Full waterproof specification · Non-sewing (high frequency welder seamless processing) · Super weighing design

The backpack body is a "welder processing" specification that crimps dough with high frequency by special machine.

For normal backpack sewing design, water intrudes from "pinhole" hole by sewing machine.

For that reason, normal waterproof backpack is not waterproof solely with dough waterproofing.

However, this backpack finished to a full waterproof specification design by welder processing.

Welder process backpack of the street uses "PVC (tarpaulin) fabric, but this backpack realized about 40% lighter weight than PVC by using" TPU "fabric.

TPU fabric is more waterproof and durable than PVC fabric, because it is lightweight, the raw fabric is high, the product is also 1.5 to 3 times as high as the product.

However, "4-S-L" realizes a product that is valuable and achieves a setting that is easy to purchase.

TPU material is a material suitable for use in harsh environments such as rain and snow, it is easy to clean because it can drop water mist as well as mud dirt by just wiping quickly.

At the same time, this backpack realized weight saving is useful for your comfortable lifestyle.

■ Handle integrated type, three-dimensional shoulder harness · breathable back mesh cushion pad

The shape of the shoulder harness made three-dimensionally can be carried as it wraps around along with the roundness of the back and shoulders.

Fix with left and right adjustment and front chest strap.

It is easy to move even when lots of luggage is in, and it fits tightly on the back.

This is an important condition for easy-to-use and comfortable backpacks.

Breathable back mesh cushion pad on the back is soft and grips are also made for hips.

It is designed to escape the steam of the back by providing a groove from the neck to the backbone and side of the waist.

A convenient handle when putting it on a floor or a shelf, etc. is integrated with the harness, and it is designed to be more stable and easily graspable.

With integrated design, it is easy to lift the balance well even when a lot of things are inside when lifting bag pack.

■ Water stop fastener (waterproof fastener), front pocket & side pocket (× 2)

The main pocket × 1, the front pocket × 1, the side pocket × 2 arranged fasteners are all waterproof fastener fastener specification design.

Fasteners that combine waterproofness and functionality will promise to protect your precious things from water and dirt.

The main pocket is comfortable and the opening and closing of the thing is also easy.

About 22 L capacity to store lots of things.

The inner pocket is suitable for storing A4 file · tablet etc with cushion pad entry.

Front pocket & side pocket is convenient for putting things like everyday use such as wallet and mobile smartphone, card & key etc.

(Image smartphone is Phone 6s Plus 5.5 inch display)

※ Water-stopping fastener is high in waterproofness, but waterproof performance in long-term landing (underwater) may cause flooding.

■ Main pocket (about 22L) Large capacity.

"Let's enjoy life" Buddies who always stay with you even in harsh environments.

The main pocket can store a lot of things with about 22 L capacity.

The inner pocket is suitable for storing A4 file · tablet etc with cushion pad entry.

This backpack is also suitable for towns such as commuting to school, and it is slim design, not to get in the way of crowded trains.

Full waterproof specification & super weighing, outdoor sports is also all-round.

For example I can go out with you on marine sports.

Such as sudden rain and snow, it gets wet with you, but the important thing is a reassuring buddy to protect firmly.

Simple design that does not get tired even if you use it all the time.

Features:

• Surface: Super lightweight material "TPU" highly waterproof and durable
• Excellent storage capacity with a capacity of about 22 liters.
• Store exactly what you need for a going out.
• Waterproof specification of welder processing.
• In the business scene, A4 documents and tablet PC etc can also be carried.
• Air mesh cushion with good ventilation on the back.
• Excellent fit with chest belt.
• Specifications: Main storage × 1 Body open cushion pocket × 1 Front water stop zippered pocket × 1 Both side water stop zippered pockets × 2 ※ Stop water fastener is highly waterproof but waterproof for a long time (underwater)
• Performance may be flooded.
• Material: Lightweight, durable, fully waterproof TPU material is used, handle integrated single body shoulder harness specification.
• Size: Vertical Approximately 47 cm / Horizontal Approximately 31 cm / Gore Approximately 16 cm (Approximately 22 l)
• Doohan (Duhan) ¥ 8,950
• ALLCAMP ¥ 7,980
• REYLEO ¥ 4,099
• Hele i Waho ¥ 5,918

Product information:

Shipping Weight: 680 g

Package Dimensions: 7.59 x 41.81 x 48.41 cm