This is a perfect backpack for your hiking adventures. Black is just one of the colours you can pick from if you're going to buy this bag.
From Amazon
VAUDE Asymmetric 38+8 Backpack eclipse One Size
The product is available from £117.60 at international stores.
Trekkinn
Vaude Tents Asymmetric 38+8l Backpack Blue
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Vaude Asymmetric 38+8 - Hiking backpack - Women's Eclipse 38 + 8 L