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UnParallel Sirius Lace LV Shoe
  • UnParallel Sirius Lace LV Shoe
  • UnParallel Sirius Lace LV Shoe
  • UnParallel Sirius Lace LV Shoe
  • UnParallel Sirius Lace LV Shoe
  • UnParallel Sirius Lace LV Shoe
  • UnParallel Sirius Lace LV Shoe

Sirius Lace LV


My vote: None ( 4.8 avg )


Precise and aggressive – the Sirius Lace LV is the shoe for your most demanding projects! Equally at home in the gym or outside these shoes excel on vertical and steep overhung terrain where every last fraction of friction helps to propel you up. A full RS rubber sole and medium stiffness midsole provide the perfect combination of sensitivity and friction. The offset lacing system allows you to dial in the perfect fit and provides extra surface area for toe hooks without sacrificing fit or function. Your climbing partners will swear that you’re cheating with these shoes!

Retail price

US$ 176.15

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Weight 340 g

Single : 170 g / 5.9 oz
Pair : 340 g / 11.9 oz
(we converted ounces to grams)


Closure Type Lace
Gender Women
Volume Low
Sizing Information US sizes 4-14, including half sizes.
­Image icon unparallel_shoe_size_chart.jpg
Best Use (Highest Performance) Sport / Face
Asymmetry Aggressive
Tongue Details not provided by the brand
Last Details Shape: Downturned (performance)
Construction: not provided by the brand
not provided by the brand
Upper Material not provided by the brand  Synthetic
Midsole Material not provided by the brand
Sole Material 3.5 mm  RS Rubber
Rand: not provided by the brand
Footbed Lining not provided by the brand
Other Shoe Versions male female

No reviews yet.

Switch Back Travel Gear Review no rating given just a review

Unparallel’s Sirius Lace is one of their most popular shoes, rivaling the Testarossa above in terms of precision for vertical and overhanging terrain. The Sirius is a bit stiffer than La Sportiva’s popular lace-up, lending slightly more support and power on technical edges. And for better toe-hooking performance on steep routes and boulders, it also tacks on offset lacing and a rubber patch on the toe. That said, you do sacrifice the Testarossa’s glove-like fit with a synthetic upper, and we’ve found it hard to track down these shoes to try on in person. All in all, Unparallel might not get the same recognition as brands like La Sportiva and Scarpa, but they’re a rising star and it certainly doesn’t hurt that their shoes are priced at $20 to $50 less than the competition. 

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