New never used!!! Only couple time warm for fit socks. Only one time fly in my backpack to Ecuador- but never used for climbing. I'm wear 10 us size . This boots is 11 us size for extra room . So if you fit 10 normal shoes - this size is perfect for you. Inner boots is super warm with primaloft insulation. All-around mountaineering boots that are as at-home on the approach as they are on an all-day ice climbs. Great for both summer and winter use.
Durable thermoplastic polyurethane shells supply protection from the elements and flexibility for approaches and technical ice climbing
Removable, 5-layer liners are lined with Velveteen for comfort while providing warmth and moisture protection; adjustable tongue enhances fit
Full rubber randing enhances edging ability and abrasion resistance; rustproof lacing hardware handles long-term water exposure
Asoframe technology combines midsole, heelcounter and toebox into a single durable unit for flex control and a dependable performance and protection
Polyurethane midsoles provide shock absorption, cushioning and durable support for long approaches and vertical climbs
Vibram® Nilgiri crampon-compatible outsoles feature dual-density rubber for incredible grip on a variety of surfaces
Self-cleaning lug design with Asobrake for enhanced traction on descents; suitable for most step-in style crampons