Lowe alpine tensor 10 backpack the tensor 10 is the small lightweight pack of choice for running hiking biking and general day use at 10 litres this slimline pack is ideal for anyone moving fast and light running cycling or just fast walking this pack is perfect for when you only need minimal gear the robic 210d shadow ripstop fabric used to make this pack is 10 denier nylon with a 66 ripstop grid weave which delivers increased tear strength while ensuring the fabric remains as li