The new unique model KEEN WK400 men's trekking and sports shoes brings a provocative approach to walking. Rounded sole with KEEN technology. CURVE creates a constant sense of forward movement. What you may perceive as a strange feeling while standing around, you will understand immediately as soon as you step forward. It's like you're rocking in the WK400. KEEN high-energy midsole increases comfort with every step. Athletic Fit strengthens the foot while providing enough space for the toes. The multi-layer sole ensures stability and traction on various surfaces. Solid mesh upper with TPU overlays for added durability. Quick-drying lining for active use. KEEN technology. CURVE for dynamic movement. KEEN high-energy midsole increasing comfort. Multi-layer sole for stability and traction. ATHLETIC FIT strengthens the foot and provides plenty of space for the toes. Removable PU insole with arch support for long-lasting comfort. Eco Anti-Odor for natural odor control. Waterproof DWR treatment without PFC.