Upper constructed from 100% recycled PET ripstop with a non‑PFC DWR finish for lightweight water resistance  ThermoBall™ insulation made from 100% recycled polyester keeps feet warm, even when damp Durable Vibram® XS Trek rubber outsole delivers reliable grip on wet or slick surfaces Slip-on design with heel pull tab for easy on-and-off use Compact mule style built for rugged lounges and light outdoor wear Perfect for quick errands or basecamp chill sessions, the Base Camp ThermoBall™ Mules blend sustainable construction with practical warmth. They’re lightweight, water-resistant, and built to handle unpredictable weather while keeping things cozy. Product Code: NF0A8DBU‑KX7