Engineered for the highest level of protection balanced with the lowest weight, the Sentry 2020 Nylon is crafted with a non-wicking, 100% nylon upper that’s been PU-coated for durability and DWR-coated to shed precipitation. Prioritizing all-season temperature regulation without bulk, 200 grams of Thinsulate™ insulation dials in the comfort. Under foot, the premium comfort PU FOOTBED® insole provides nonstop support while the high-traction outsole grips the terrain and releases mud.