Balancing hiking comfort with climbing performance, the Lowa Alpine Expert II GTX Mountaineering Boot is a versatile choice for mixed climbing, backpacking, and alpine adventures. High-altitude elements meet their match with the boot's toasty Primaloft insulation and GORE-TEX membrane, which delivers durable and breathable waterproofing. It's stiff and supportive enough to support automatic crampons for climbing but also features a Fit Wing to provide enough ankle flexibility for backpacking. We like that balance and versatility-and that it's built on a women-specific last to fit our unique feet.