Sidi SD15 MTB Shoes
Half mountain bike shoe, half hiking shoe - you can call the Sidi SD15 the centaur of outdoor shoes. Whether you're setting up camp or avoiding a sketchy section of the trail, the SD15 shoes feature a rugged outsole to provide the kind of off-the-bike grip that'll make you forget you're wearing cycling shoes.
Knowing that pedaling singletrack and striding over boulders and across streams requires a secure footing, Sidi was left with no choice but to employ their TECHNO-3 SYSTEM which dials in fit along the entire length of the shoe, adapting the upper to the shape of the foot for a customized fit. To ensure the shoes maintain their perfect fit over a long life of abuse, reinforced heels keep the foot in an optimal position to prevent warping overtime.
One other clever feature to note about the SD15 MTB shoe is that just about everything on them are either serviceable or replaceable, meaning if something breaks or wears out it's as quick and convenient as removing a few screws or unclipping a clasp to restore them back to business.
- "Politex" material offers strong resistance to ripping, laceration, stretching and fading, while being easy on the environment
- SIDI's TECHNO-3 SYSTEM dials in fit along the entire length of the shoe, adapting the upper to the shape of the foot for a customized fit
- Reliable and replaceable closures are improved by an all new proprietary SIDI Wire material that is completely non-binding for intuitive and effortless on-the-fly adjustments
- Reinforced heel keeps the foot in an optimal position and avoids the shoe being deformed by extreme performance or prolonged pressure
- OUTDOOR rubber high performance sole has the correct density for variable trial conditions and has been designed to provide excellent grip and to easily expel mud and debris
- Most small parts are serviceable and replaceable
- UPPER: POLITEX SUEDE EFFECT UPPER, MESH
- SOLE: OUTDOOR SOLE
- TECNOLOGY: TECNO 3 SYSTEM, VELCRO STRAPS, SIDI HEEL CUP
- SPD Compatible
1 year ago
PROS: Versatile, Great Components, Handles Well, Comfortable On Off Bike
BEST USES: Gravel Grinder, Cross Country
7 months ago
PROS: Lightweight, Great Components, Rugged
BEST USES: Single Track, Casual Trails, Cross Country
These would also benefit from a thicker and stiffer midsole and thicker insole for isolation, because they transmit too much impact when walking, along with a bit too much pedal sensation on strenuous climbing for this price class, though not horribly so, such that you feel your cleats.
Pedaling efficiency/power transfer is decent, although some is lost (probably about 30-35%) because of the stiffness being less than I'd expected - if you're used to other Sidi shoes like the Dominator or Buvel, these will probably disappoint you.
I found the lack of overall stiffness very annoying on a 3-mile hike out on a recent ride, after rupturing a sidewall on my tire, and had very stiff feet and nearly broke my ankle at least twice, because of how easy it is to roll your foot/ankle when walking rough terrain in these.
That said, fit is Sidi's typical excellence, with no heel slip and good volume for mid or slightly larger feet. The tread in the two weeks I've worn these is very good, seems beefy and durable, and grips well, even on wet surfaces like rocks and roots. Can't speak to long-term durability.
The material of the uppers is OK, not stellar like other Sidi's are - I've found it not very water resistant and it has LOTS of give to it, so I expect it may stretch excessively over time. Definitely found that I had to ratchet Sidi's version of the BOA system periodically as I was into my rides, to keep the shoes snug.
Overall I'd give these a 2.5-2.75 star rating, and wouldn't jump to recommend them for serious riders, especially if you're stickler for things like strong power transfer when pedaling, particularly with cleated-pedal setups. These are better suited to more casual riding needs and honestly should be no more than $120, given their glaring deficiencies.
I bought this shoe for a touring trip we are talking where there will be a fair bit of walking as well as cycling. The shoe would be fine for walking but terrible for cycling and would - for me - be downright painful. Sidi needs to add a stiff shank in this shoe so that it is not flexible up to the area just behind the ball of the foot. If so, this shoe would be an awesome touring shoe. Right now, it’s priced like a fairly decent mtb shoe but has the sole of a sneaker. That’s a miss in my book and if Sidi fixes that in v2.0, I’ll buy it.
As far as sizing go, I wear a 10.5 D width and the 45 fit me well. I could have worn a 44 too.
8 months ago
7 months ago
The soles are WAY too flexible. The inside is hard, and uncomfortable, made slightly better with a more expensive insole – the insoles they come with are horridly thin and uncomfortable. I like the locking system, but to get things tight enough with all the flex, you end up making your foot fall asleep. They are the most uncomfortable cycling shoes I have ever owned. If I had paid $75.00 for them I might not care. But for $200.00 I feel ashamed of myself for spending so much on these.
6 months ago
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Q & A
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