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Western Mountaineering makes both the Bison GWS (rated -40) and the Cypress GWS (rated -30) sleeping bags. But the Bison has a lower fill weight (42 oz) and is cheaper ($1095) vs the Cypress (50 oz...
Western Mountaineering makes both the Bison GWS (rated -40) and the Cypress GWS (rated -30) sleeping bags. But the Bison has a lower fill weight (42 oz) and is cheaper ($1095) vs the Cypress (50 oz...