At REI, this Patagonia Fieldsmith Linked Pack is $43, and the lowest price we could find by $14. The 24-liter pack is built from organic cotton canvas rather than the synthetic fabric used in most everyday packs, with a design and lash points drawn from Patagonia's climbing packs. Shipping is free over $100, or you can choose pickup for free at many stores (members will get free shipping outright). This deal ends October 6. Buy Now at REI Features Water-resistant organic cotton canvas body w/ a