Merrell's Speed Strike 2 Leather Thermal Mid boot combines waterproof protection with thermal insulation to keep feet warm and dry through harsh winter conditions. The leather upper adds durability and structure, while the mid-height profile delivers ankle stability on snow-packed trails and icy surfaces. Waterproof design helps keep feet dry in rain and snow Leather upper for structural support and long-term wear Thermal insulation for warmth in cold winter conditions Mid-height profile provides ankle coverage and stability Fall 2025 release in Merrell's Speed Strike lineup