Side view of Keen Women's WK400 in Vapor/Azure Blue – featuring a lightweight mesh and synthetic upper with structured overlays, KEEN.CURVE™ technology for forward momentum, and cushioned midsole designed for walking comfort and energy return.
Front view of Keen Women's WK400 in Vapor/Azure Blue – featuring a rounded reinforced toe, mesh ventilation panels, and a secure lace system built for stability and comfort during extended walks.
Back view of Keen Women's WK400 in Vapor/Azure Blue – featuring a supportive heel counter, heel pull-tab for easy on/off, and a stable heel design for smooth transitions and confident strides.
Top view of Keen Women's WK400 in Vapor/Azure Blue – featuring a breathable engineered mesh upper in light grey with azure blue accents, padded tongue and collar, and a traditional lace-up closure designed for a snug, foot-hugging fit.

Women's WK400 - Vapor/Azure Blue (Regular Width)

$169.99 USD
By Keen
Size
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Take every step with purpose in the Keen Women's WK400 Walking Shoe in Vapor/Azure Blue, designed with innovation to energize your stride. This walking shoe features a unique rocker geometry that supports a rolling motion, helping you walk farther with less fatigue—ideal for active lifestyles and daily walkers.

Key Features:

  • M Width (Regular) – Also used interchangeably for standard/medium width
  • KEEN.CURVE™ Rocker Geometry – Promotes a smooth, forward-rolling stride for efficient walking
  • High-Rebound EVA Midsole – Delivers responsive cushioning and impact protection
  • Orthotic-Friendly – Removable footbed allows for custom or over-the-counter orthotics
  • All-Terrain Rubber Outsole – Durable traction that grips on a variety of surfaces
  • Performance Mesh Upper – Lightweight, breathable, and quick-drying
  • Heel-Lock System – Enhances fit and reduces slippage
  • Helps with foot conditions such as plantar fasciitis, metatarsalgia, arthritis, joint pain, and general foot fatigue