Shop with confidence. 5 star ambassador with 100+ completed sales and avg of next day shipping. Who makes the most bespoke outdoor field wear that's sure to please even the most discriminating outdoorsmen? Without a doubt the answer is Filson. This generously sized sling bag is large enough to hold a pair of shoes or your jacket or even a couple of pheasants. And the tough coated waterproof material will clean up in a jiff if things get a little messy.