![]() ![]() One of the remarkable qualities of the Spectre AT ski boot is its progressive flex – this refers to how the flex modulates as you push against the boot. ![]() Now, before I go singing the praises of stiffer = better, it should be said that stiffer is not necessarily better. And Sportiva achieved the stiffer flex without adding significant weight Our demo Synchro weighs in at 1320 g (size 25) – a mere 40 grams more than the same size Spectre. It might not sound like much, but it feels different for sure. If simply used to compare within the the two boots (presumably Sportiva used the same measurement standards for both), the flex numbers show that the Synchro is 8% stiffer than the Spectre. For what it’s worth, La Sportiva gives the new Synchro AT ski boot a 125 flex rating, while the Spectre 2.0 measures in with a 115 flex rating. These small changes add up to a decent increase in stiffness. Both boots feature a mix of Grilamid (shell), Pebax (cuff) and carbon reinforcement, but upon closer inspection, the Synchro is engineered with added material in a few key places and features a new two-piece tongue. The shell mold is identical from a fit perspective – both are spec’d at 102.5 mm last width. However, with one model on each foot, the new Synchro AT ski boot is noticeably stiffer in ski mode than the Spectre. And from a fit and volume perspective, they are. The Synchro tongue features a stiffener (black) adding to the boots increased stiffness.Īt first look, the Spectre and Synchro boots appear to be quite similar. The Synchro is based on the same design as the popular Spectre AT boot but adds a new level of stiffness thanks to a new two-piece tongue, an overlap liner and engineered changes to help stiffen the boot shell. The result is the La Sportiva Synchro AT Ski Boot. Well, in an effort to take the downhill performance to a higher level, La Sportiva looked at the Spectre and how it holds up under the pressures of skiing. The Spectre – and now Spectre 2.0 – offer remarkable uphill/walking comfort and solid downhill performance – all in the sub 3kg/pair (weight varies by size) category. La Sportiva hit a sweet spot a few seasons back with their Spectre AT Ski Boots. As a result, our boots need to walk the line between being lightweight and uphill-friendly while maintaining the ability to deliver performance when called upon to ski down. Nonetheless, downhill performance remains high on the AT ski boot requirement list for most backcountry skiers. ![]() All year round, get all the latest products, excellent offers, unbeatable prices on end of line products and all the advice of our experts to choose the right material for you.It’s no secret that we spend more time climbing uphill than we do skiing down when backcountry skiing. For those who love trail running off the beaten track, walking and trekking in the mountains, discover our selection of outdoor sports clothing trail and walking shoes, and accessories Cardio watches, backpacks, and walking poles…. ![]() Need a new impermeable and breathable ski jacket, trousers or base layers to protect you from the winter cold? Take advantage of our 2021 winter collection to get kitted out with the biggest ski brands : Salomon, Rossignol, Picture, Norrona, Millet, Volcom, Arc’teryx… Ekosport also has a large range of products for every one of your outdoor activities : trail, running, hill walking, trek. For everyone who loves downhill skiing, cross-country skiing, ski touring or snowboard, choose from thousands of products in stock to safely enjoy your winter sports Skis, bindings,ski boots, helmets, goggles and DVA’s (created for amateurs and pro’s alike). Compare and order all your ski equipment at the lowest prices from over 300 outdoor brands and over 25 000 products. TECHNICAL CHARACTERISTICS :Į is a website dedicated to selling skiing equipment, skiing clothes and winter-sport accessories for men, women and children. The unique triple compatibility with TECH race bindings, AT and Trab TR2 bindings, allows for unprecedented versatility. The mobility of the shell equal to 60 ° of the total excursion, together with the accentuated gliding and the system patented EZ Flex ™ system of the innerboot, accentuate the walkability of the product, usable also for technical passages on rocks and slippery surfaces thanks to the full Vibram dual mix/double density outsole. The shell is made of lightweight and durable Grilamid while the patented Vertebra Technology™ loaded carbon locking system, is a structural part of the boot and facilitates the transmission of power in the downhill phase thanks to the exceptional "115-Flex" qualities of flexibility. Downhill, the transmission of power and control of the ski is accentuated by the use with the TR2 safety binding, thanks to the perfect compatibility guaranteed by the Skitrab system with which it is sufficient to remove the two metal features. ![]()
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