First of all, I would like to thank 7+2 equipped cool platform and equipment cool editors (especially rabbits and bean editors) trust in me, so that I have the opportunity to conduct this test, at the same time thanks to the experience products provided by the company. This is my first experience in the equipment library experience products, strive to seek truth from facts evaluation and explanation, the inadequacies also please a lot of Hai Han! First, brand introduction Second, experience people information Fourth, product details show OSAH IPX6 grade 45L waterproof backpack carrying structure features: 2, seamless production process. 4, super waterproof fabric. 5, back with the bag, lift more freely. OSAH IPX6 grade 45L waterproof backpack, professional brand buckle fasteners, long life. All fasteners such as zippers and other small parts are used in high-end models, feel smooth, card lock is stable, the details are still very hard. One side of the belt is a storage bag that can hold small items such as mobile phones, GPS, or road candies. The inner side of the belt is fully considered for its breathability and comfort. The mesh material is used. The interior uses a foam board that is easier to cut and more flexible. It also has a ventilation hole to reduce the weight and increase the air permeability. The body of the bag body is more delicate, 210D diamond lattice TPU, tear resistant lattice fabric. The bottom fabric is thick and the threads are relatively thick, providing good durability. The Logo is very prominent and has labels on the top and back. Super waterproof folding edge, IPX6 super waterproof rating. Fold the bag down at least three times and fasten it. Before the water test was conducted, the LOGO was clear and eye-catching, and the three-dimensional sense was super! Within 5 minutes of the water test, the LOGO color changed slightly; 10 minutes after the water test, the color of the LOGO has become glittering! Haha! The water on the top of the backpack lasts for more than 15 minutes. I do not know what the contents of the bag are. ? Open the backpack, the toilet paper is deliberately put by the landlord is normal, and other items in the backpack are still dry. The excellent waterproof performance of this backpack exceeds the accident! are you ready? Let's go with OSAH! !
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With the improvement of people's living standards, outdoor sports are diversified (upstream, waterfall, ice climbing, skiing, etc.), and the requirements for equipment are getting higher and higher. Outdoor manufacturers' production research on outdoor equipment products is also advancing with the times. The OSAH brand is thus born OSAH IPX6 grade 45L waterproof backpack. It can meet the basic outdoor sports such as drifting, waterfall dropping, ice climbing, skiing, mountaineering and rock dropping.
The OSAH brand was established in 2004. Fuzhou Yige Outdoor Products Co., Ltd. is the main push brand. Since 2004, the successful research and development of waterproof bags samples, its excellent professional quality, has been sought after by the major brand names in the industry. In the same year, it started to produce OEM products for major waterproof bags in Europe and the United Kingdom.
The experience of R&D and production for world-renowned waterproof bag brands has enabled the company to have advanced design concepts and strong technology accumulation. It has been at the advanced level in the world in the research and development of waterproof bags. The company's strong R&D production strength was favored by Sweden DOMANI Investment Co., Ltd. In 2008, the investment company added a production line to carry out production technology changes to expand the production scale and greatly improve the product quality.
In the past ten years, OSAH has been focusing on the application of new technology and the improvement of product quality. Senior outdoor game player and senior outdoor bag designer in Scotland is struggling to beat the design details of OSAH waterproof bag, making the gulls waterproof bag reach the international top level in terms of fashion collocation and function setting. All kinds of waterproof bags have been tried by many outdoor clubs in the country and received good praise. Products have covered all types of outdoor sports and urban light sports, including car self-driving trips, bicycles, motorcycles, kayaking, hiking, hiking, swimming, surfing, sailing and sailing and other leisure sports. This year, the company focused more on research and development of lightweight waterproof equipment, and successfully applied new technologies such as human bionics to product development, and successfully developed the world's lightest waterproof bag, backpack and board. Products are highly praised by major outdoor and sports exhibition traders around the world. 
ID: Mountain Hawk Gender: Male Height: 179cm
Weight: 80kg
Outdoor qualifications: 8264 Moderator Pioneer Grade 5 Outdoor Association Instructor
Third, product information
IPX6 Grade Waterproof Backpack Brand: OSAH
Fabric: 210D diamond lattice TPU
Specifications:45L
Waterproof rating: IPX6
Manufacturing Process: Seamless Machining Size: 30*23*65
Material composition: 70% TPU10% PU, 20% nylon cloth 
The carrying system of OSAH IPX6 grade 45L waterproof backpack, ergonomically designed, three-dimensional three-dimensional wrapping, an excellent fit around the waist hip, fully supporting the weight of the backpack, the load is always balanced distribution. The mesh-covered back panel perfectly integrates the body and backpack and enhances comfort. The bag has a stable center of gravity and excellent performance during heavy loads, and it can be safely travelled on slippery snow-covered mountain trails. 
1, decompression easy shoulders.
2, chest decompression braces, thickening and decompression, professional travel, lighter weight.
3, three back three-dimensional decompression.
4. Waist weight-relief belts reduce baggage weight effectively.
5, mesh and breathable fabric back and belt, more breathable and comfortable. Symmetrical three-dimensional shock absorption, more relaxed.
6, three-dimensional cutting release more capacity.
7, ergonomic cutting is more convenient to use.
OSAH IPX6 Grade 45L Waterproof Backpack Features:
1, multi-layer waterproof IPX6 super waterproof level. 
3, a special waterproof outlet. 
6, super waterproof effect, no fear of storms.
7. There is a waterproof zipper pocket outside the top pocket, which is convenient for placing small items such as keys, certificates, money and other valuables. The area is quite large. The top of the silicon-coated waterproof fabric covers the entire head bag and also adds a waterproof layer to the top of the bag. After all, most of the rain falls on the top of the bag in the event of precipitation, and the waterproof performance is further enhanced. 
OSAH IPX6 grade 45L waterproof backpack, using a sliding chest strap adjustment system, chest strap buckle can be adjusted up and down, pull the two fabrics to pull the center of the body can quickly adjust the tightness of the belt. To strengthen the stability of the backpack. The ITW multi-functional whistle fastener is designed on the chest strap fastener to integrate the survival whistle and help to send a distress signal when it is in danger outdoors. 
On both sides of the external side storage bag, small items easily accommodated. Can place a lot of things, deep enough big enough solid enough. 
Fifth, comprehensive assessment of advantages:
1. The appearance is novel, the color is beautiful, the style is fashionable, attracts attention in outdoor sports;
2. Loading system: The main storehouse can place commonly used items, sleeping bags, tents, moisture-proof pads, clothing, food, gas tanks, stove tops, etc., and the capacity of 45L is sufficient;
3, waterproof performance: waterproof performance, good waterproof effect. The fabric of the bag is good, quick-drying, stained with dirt and easy to clean.
4, details design in place, humane, practical and convenient;
5, carrying the system fits the back, the waist is thick and soft and hard, moderate operation, easy and labor-saving. Adjustable back length for more people
6, strong and durable, solid materials.
In general, such a good package is essential for outdoor enthusiasts and outdoor players. Lushan wading, rain or shine, you deserve!
Let the storm come even harder! ! I have no fear of OSAH! 
Landscape is in front of,,,,,, 
