Combining lightweight comfort with a supremely technical performance, the Women's Aequilibrium ST GORE-TEX® Mountaineering Boots are La Sportiva's ultimate solution for modern alpinists and mountaineers who desire just that. Featuring an ultralight construction with HoneyComb Guard™ fabric in the uppers for enhanced durability, a GORE-TEX® Performance Comfort lining for all-round weather protection and Vibram® Mont outsoles with the patented Impact Braking System™ lugs to ensure you've got outstanding grip and traction over technical terrain, these mountaineering boots are geared up for moving fast and efficiently without sacrificing your comfort or performance. The Ergonomic Last wraps your foot for a precise and secure fit, whilst the Double Heel™ technology works to provide efficient downhill braking, and promotes fluid strides that reduce muscle fatigue. The 3D Flex Evo™ Directional Joint makes sure that you've got plenty of support in the ankles without hindering on your mobility, too. Demonstrating the perfect blend between ultralight construction, durable materials and enhanced comfort, the Aequilibrium ST GORE-TEX® Boots are essential for your next alpine expedition. Features: Ultimate solution for modern alpinists and mountaineers who demand balance between technical performance and comfort Designed to meet the rigorous needs of fast-moving mountaineers Combines an ultralight construction with durable materials to deliver exceptional comfort and elite performance on the mountain Uppers in HoneyComb Guard™ fabric with mono-burr wire reinforcements and TPU anti-abrasion film for protection and enhanced levity GORE-TEX® Performance Comfort lining to waterproof protection Innovative Double Heel™ technology enhances downhill braking, promoting fluid strides and reducing muscle fatigue Ergonomic Last wraps the foot for a precise and comfortable fit Rubber Guard™ shell construction and internal PU inserts for high cushioning and a lighter overall feel 3D Flex Evo™ Directional Joint offers superior ankle mobility and support, allowing for unrestricted movement on rugged, technical terrain Heel gaiter with an integrated puller ensures a secure, custom fit Vibram® Mont outsole with Impact Braking System™ Lugs excels on challenging surfaces, offering superior grip and traction in any environment Hook fastening on the top, webbing at the bottom with lower anti-chafing gaiter for use with crampons Compatible with semi-automatic crampons Materials: Upper: water-repellent, high-grip nylon 6.6 with abrasion-resistant HoneyComb Guard™ Waterproof membrane: GORE-TEX® Performance Comfort Lasting board: fibreglass-strengthened nylon Lining: GORE-TEX® Performance Comfort Midsole: none Patent: Impact Brake System™, 3D Flex System Evo™ Sole: Vibram® Mont outsole with SpringLug Tech and Impact Brake System™ Specifications: Brand colourway: Black / Hibiscus Intended use: technical and traditional mountaineering / alpine trekking / fast-paced ascents