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La Sportiva Women's Primer Low GTX Boot

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Product Description Item No.   10270374

FEATURES of the La Sportiva Women's Primer Low GTX Boot

  • Innovative nano-cell technology Upper wraps the foot in protection
  • Allowing maximum breathability and waterproof protection
  • STB Technology stabilizes the foot by wrapping the Midsole and unifying the Midsole with the Upper For the perfect locked -down fit
  • Made with GORE-TEX Surround technology that gives your feet 360 degree comfort and all-around breathability while providing waterproof protection, so you'll feet will stay dry and comfortable in both warm and wet environments
  • The GORE-TEX Surround designed for hiking and multisport activities features an open construction that allows moisture and warmth to escape from below the foot through the GORE-TEX laminate and then out the side ventilation outlets, keeping your feet dry and help reduce the risk of blisters or uncomfortable chafing. So great.

- + Product Specifications
Product Technology: GORE-TEX SURROUND, Vibram
Outsole: Vibram Nano with Impact Brake System
Disclaimer: We only ship this brand to US Addresses.
Midsole: Compression Molded EVA ,TPU Inserts
Footwear Height: Ankle
Waterproof: Yes
Terrain: Mountain, Trail
Weight: 12.1 oz
Upper: AirMesh, Nano-Cell direct injection, PU Leather
Gender: Womens
Features: Waterproof
Best Use: Hiking, Mountaineering and Alpine, Trekking
Footwear Closure: Lace-up
Toe Coverage: Closed Toe

GORE-TEX SURROUND technology offers all-around breathability by utilizing an open construction that allows moisture and warmth to escape from below the foot. This minimizes skin humidity which means drier feet and less foot ailments, like blisters or chafing.


Vibram rubber compounds and technologies are the gold standard in the outdoor industry for reliable, high-performance grip and traction. They offer precise, unparalleled responsiveness and support that's specifically engineered for your activities.

Women's Footwear Size Conversion Chart
EURO SIZE 33 33.5 34 34.5 35 35.5 36 36.5 37 37.5
US Size 2.5 3 3.5 4 4.5 5 5.5 5.5+ 6 6.5
EURO SIZE (cont.) 38 38.5 39 39.5 40 40.5 41 41.5 42 42.5
US Size 7 7.5 7.5+ 8 8.5 9 9.5 9.5+ 10 10.5
EURO SIZE (cont.) 43 43.5 44 44.5 45 45.5 46 46.5 47 -
US Size 11 11.5 11.5+ 12 12.5 13 13.5 13.5+ 14 -

La Sportiva footwear is built and offered on European half sizes, which are smaller increments than US half sizes. This gives them four extra sizes per size run, and ultimately gives you a better fit.

Please review La Sportiva's size conversion chart above to help determine your ideal size. Below you will find additional information about how to fit and break in the different styles of La Sportiva footwear, which will also help guide you to the correct size.

• As a general rule soft shoes like climbing shoes require a tighter fit, or about two to three sizes smaller than your street shoe size.
• La Sportiva recommends you fit your trad climbing shoes one to two sizes under your street shoe size.
• La Sportiva offers a lot of lasts, and each offers a different fit and feel. Remember to factor in potential stretching.
• Unlined slip-lasted shoes tend to stretch a bit more than lined shoes, or about one full size.
• Lined shoes stretch about a half size.

• PERFORMANCE FIT - offers a high performance fit and a downturned last.
• TECH FIT - a more technical fit and a last with neutral profile.
• COMFORT FIT - a comfortable fit and a last with more volume and a neutral profile.

• Find your US Size in the guide above, then find the Euro Size conversion and add one half size.
• The ideal size holds your toes ever so slightly away from the front of the boot while the lacing system is snug across the top of your arch.
• If you can try to boots on beforehand, make sure you wear the same size and weight socks you would typically wear with the boots, and any orthotics or custom footbeds you use.
• It is ideal to fit boots later in the day since feet are prone to swell slightly as a day progresses.
• Wear your boots indoors only until you are confident about the fit.
• Your foot should feel snug (not tight) from the arch back into the heel pocket with just a minimum lift as you walk. If your heel lifts make sure the lacing is snug and not too loose.
• Your toes should NOT touch the front of the boot, but when you kick the toe into the floor, you should know where the front of the boot is. You want just enough room to wiggle your toes.
• If your toes or sides of your feet feel squished, most likely the width is too narrow and the boot will not work for you.
• If your toes touch the front of the boot, most likely it is too short and you need the next half size up.
• Make sure to keep all original packaging that came with your boots until you are sure that you are happy with your purchase.

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