| Message: | Yongkang Hanga Trade Co. LTDis a company with marc by marc jacobs backpack,school bagsandCrossbody Bags as the main business. We are committed to providing quality service of Satchelsx1c77eban. Yongkang Hanga Trade Co. LTDwas established in 10 years ago, As a company with a high sense of social responsibility, Yongkang Hangahas established a high reputation for superior quality and expertise in sportfield Yongkang Hanga Trade Co. LTD insist on responsibility,credibility and integrity,sincerity and win-win principle,and happy employees, customer success, leading the industry mission, long standing engaged in rolling backpack,basketball backpack,white backpack,dragon backpack and other business areas. Through the creation of dynamic and innovative enterprises, Our company is committed to becoming an important force to promote social progress. details: The internal frame backpack is a recent innovation, invented in 1967 by Greg Lowe, who went on to found Lowe Alpine and Lowepro, companies specializing in backpacks and other forms of carrying bags for various equipment.[5] An internal-frame pack has a large fabric section around an internal frame composed of strips of either aluminum, titanium or plastic, sometimes with additional metal stays to reinforce the frame. A complex series of straps works with the frame to distribute the weight and hold it in place. The internal frame permits the pack to fit closely to the wearer's back and minimizes shifting of the load, which is desirable when participating in activities that involve upper-body movement such as scrambling over rocky surfaces and skiing. However, the tight fit reduces ventilation, so these type of packs tend to be more sweaty than |
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