LA SPORTIVA Nuptse Mountaineering Double Boots

Even the Himalayas are no match for the Nuptse moutaineering boots from La Sportiva. The outer boot is constructed with a proprietary package of materials consisting of PU coated Cordura with insulation plus an internal aluminum thermo-reflective coating for warmth and protection, and the the inner boot has its own laces for dialing in the perfect fit.

Flaws: the pull on the back of the left boot broke off, orange-ish discoloration on the outside of the boot as shown, previous owner covered inner tongue with duct tape -- some residue remains. Also used a pen to draw triangles on the tongue and sides of the inner bootie. Used but lots of life left in them.

Men's Size 45 / US 11.5 (per La Sportiva's online size chart)
Black with gray and yellow accents
Insulated five-ply synthetic PU-coated upper with thermo-reflective aluminum facing outer shell
Inner boot is perforated high-density closed-cell PE foam, micro-perforated for breathability -- has own laces for that perfect fit
The outer shell is stiff enough to work with crampons, but flexible enough that you can walk fairly normally.
Lace hooks have a special design that doesn't let the laces back out once you tighten them to your preference.
Stretch Lorica gusseted tongue keeps out debris
Molded TPU ankle backstay reinforcement
SBR aircushion midsole
Vibram rubber rand
Insulated
Waterproof
Outsole: Skywalk® MPE Rubber
Height: 8-1/2"
Heel height: 1-1/2"
Weight (pair): 5 lb. 14 oz.
Runs small, order 1/2 size larger
Made in Italy
Retailed for $575