Enjoy free shipping during the holidays! Shop now and get
Free Value Shipping
on most orders over $49 to the contiguous 48 states, DC and to all U.S. Military APO/FPO/DPO addresses.
Enjoy Our Extended FREE RETURNS
We want to ensure that making a return is as easy as possible! With our Hassle-Free, Extended
Holiday Returns, eligible orders placed from November 12, 2025 on will benefit from an extended
return deadline (January 13, 2026 or 30 days after receipt of your order - whichever is later).
We'll even cover the cost of return shipping. Learn more about our
Return Policy.
Please Enable Your Browser's Cookies Functionality
Cookies are not currently enabled in your browser, and due to this the functionality of our site will be severely restricted.
Web browser based cookies allow us to customize our site for you, save items in your cart,
and provide you with a great experience when shopping OpticsPlanet.
Your privacy is important to us, and any personal information you supply to us is kept strictly confidential.
If you cannot enable cookies in your browser, please contact us — we are always here to help!
JavaScript is blocked by AdBlocker or ScriptBlocker
We're sorry - it looks like some elements of OpticsPlanet are being disabled by your AdBlocker.
Unfortunately we are unable to offer our excellent shopping experience without JavaScript.
Please add "opticsplanet.com" and "https://opl.0ps.us/assets-6b92a93c585/" to whitelist,
or disable AdBlocker for this site (please note that we do NOT feature any annoying ads on this website).
Thanks!
Your Browser is Outdated
Unfortunately, we are unable to provide an excellent shopping experience on your browser because it lacks modern functionality needed for us
to provide a fast, secure, and enjoyable experience. If you cannot upgrade your browser or use an alternative device to visit us,
please contact us at +1-800-504-5897 and we'll be happy to assist you over the phone!
Mammut Alnasca Low GTX - Women's has been discontinued by Mammut and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the Boots & Footwear, Women's Footwear, Women's Shoes, Women's Climbing Shoes yourself to try and find the perfect replacement for you!
Alnasca II Knit Low Women is a lightweight and elasticated approach shoe with 3D Knit. The sock-like construction allows a perfect fit and ideal comfort. Basefit ensures excellent heel support in combination with specially developed lacing. The Michelin outsole optimizes closeness to the rocks with excellent grip on any alpine approach. Alnasca with 3D Knit - for an unbeatable fit and an easy start.
Features of Mammut Alnasca Low GTX - Women's
Last index: approachTech
Flex index: A5
Pre-shaped tongue construction
Elastic knitted sock construction
Cushioning Strobel construction with stone shield
Double Layer Mesh
Base Fit: Sliding webbing transfers power from lacing area to soles, ensuring improved hold in boot to increase safety and comfort.
Memo Foam: Ensures individual fit and cushions foot at instep, shin and ankle
360 Heel Support: The three-dimensionally shaped TPU element is designed for the anatomy of the heel bone, which it completely envelops. This delivers optimum heel fit, helps prevent twisted ankles and protects against rock abrasion.