Sierra Designs Men's Down Moccasin Slippers - Slippers - Keep your feet warm and your tent clean with these 650-fill Down Mocassin Slippers from Sierra Design. It's a great way to take care of your sore and tired feet after a long day on the trail or inside chilly fly-fishing waders. The outer down-proof jacquard nylon fabric has a DWR finish that provides a degree of weather protection, but the Sierra Design Down Mocassin Slippers are best worn inside the tent or beneath a camping trail shelter. A mesh storage bag keeps the slippers together in your pack or dry bag. Top quality mocs that are down with staying toasty. Insulated with 650-fill power goose down.