- Like a puffy jacket for feet, the REI Co-op Camp Dreamer Slip-Ons are a dream to wear around camp. They use REI-exclusive tech to make for durable, comfortable footwear—with a lighter footprint. -Recycled polyester fill creates a cozy puffy feel that was inspired by our Stormhenge insulated jacket -20% recycled rubber TerraGrip™ tread provides anti-slip grip—ideal for slippers that feel more at home outside than inside -99% recycled PET polyester creates the FirmaKnit linings for strong and socklike comfort, borrowed from our hiking boots -Made with 25% USDA-certified bio-based Susterra® compound, TrailBed™ insoles use INSITE® Contoura® technology created with podiatrists to ensure support and comfort -Used moderately for about 1 year. -In great condition - insole printing and sizing labels show expected wear from use. Soles are still in great shape as are the uppers. -Men's 10 / Women's 12