Weight: 315 g (per shoe in size UK 5.5)<>boost™'s energy-returning properties keep every step charged with an endless supply of light, fast energy<>Textile and durable mesh upper with abrasion-resistant welding for added support and protection; Speed lacing construction for fast lacing and a snug fit<>Waterproof and breathable GORE-TEX® lining<>PRO MODERATOR™ medial and lateral support puts extra stability in the midsole; Outdoor-specific EVA frame for stability; Women's-specific fit<>Continental™ Rubber for extraordinary grip