STRONG AND DURABLE SHOULDER STRAP High quality waterproof nylon fabric.resistant to abrasion, wear and tear.reflective webbing design makes your night trip safer,The strap and fabrics are durable and can carry the weight of 20KG.
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THICK INSULATED LAYER This cycling hydration backpack has an insulation compartment made of thick aluminum foil,which can hold a 2L water bladder and can be liquid cooling for up to 4 hours. The best hydration pack for running, hiking, cycling, or biking.
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COMPACT& LIGHTWEIGHT Mesh and poriferous EVA design on the back for maximum breathability and heat dissipation.Low-profile, perfectly built for lightweight pursuits like running, road biking and ultralight hiking. They feel light and stable on your back and wont create any wind resistance.
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