Sidi Kaos
  • Color: Black
  • Color: White
  • Color: White/Orange Fluorescent
  • Color: Yellow Fluorescent
Please select options


- The MILLENNIUM 4 CARBON COMPOSITE SOLE features injected carbon fiber in a matrix of nylon, providing more rigidity than a standard nylon sole. The MILLENNIUM 4 CARBON COMPOSITE SOLE is also more durable, completely non-water-absorbent and mechanically stable, meaning it’s less susceptible to changes in stiffness resulting from aging, prolonged usage, and changes in temperature or humidity. An anti-slip toe insert and replaceable polyurethane heel pad are incorporated into the MILLENNIUM 4 CARBON COMPOSITE SOLE, for walkability. The MILLENNIUM 4 CARBON COMPOSITE SOLE uses a standard 3-hole drilling pattern for compatibility with the best pedal systems available, and includes a printed 10 mm lateral and fore/aft cleat alignment scale on the sole as well as the Look Memory Eyelet for easy cleat alignment and replacement. The reinforced heel keeps the foot in a optimal position and avoids the shoe being deformed by extreme performance or prolonged pressure.

Tecno - 3 System
- 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. SIDI’s famously 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. Like most SIDI small parts, the TECNO-3 BUCKLE is serviceable and replaceable.

Caliper Buckle
- The micrometric closure called “CALIPER BUCKLE” is adjustable by lifting the central buckle. In order to completely open, lift together both side buckles, or push the center button to slightly loosen one tooth at the time. The system is also adjustable during a race.

Soft Instep 2
- The SOFT INSTEP CLOSURE SYSTEM is a wide, anatomically curved strap combined with a soft, thermo-formed EVA pad that distributes pressure evenly over the instep area. The SOFT INSTEP CLOSURE SYSTEM is adjustable from both sides, to perfectly center the EVA pad over a high or low instep. The system eliminates the need for the High Instep Extender. The SOFT INSTEP CLOSURE SYSTEM is replaceable.

Materiale Politex
- The “politex” material is constructed of several overlapping layers with different physical-mechanical properties, the compacted PVC is then coupled to two fabrics (knitted fabric + felt) that is then is film dyed for long-lasting color retention. “Politex” offers strong resistance to ripping, laceration, stretching and fading. “Politex” is made in strict compliance with European regulations and is a totally “green” product.

Part Numbers

Option UPC MPN Store SKU
Black / 42.5 08017732190543 SRS-KAS-BKBK-425
Black / 45 08017732190598 SRS-KAS-BKBK-450 SHO253717355
White / 39 08017732190055 SRS-KAS-WHWH-390
White / 39.5 08017732190062 SRS-KAS-WHWH-395
White / 40 08017732190079 SRS-KAS-WHWH-400
White / 40.5 08017732190086 SRS-KAS-WHWH-405
White / 41 08017732190093 SRS-KAS-WHWH-410
White / 41.5 08017732190109 SRS-KAS-WHWH-415
White / 42 08017732190116 SRS-KAS-WHWH-420
White / 42.5 08017732190123 SRS-KAS-WHWH-425 SHO203345255
White / 43 08017732190130 SRS-KAS-WHWH-430
White / 43.5 08017732190147 SRS-KAS-WHWH-435
White / 44 08017732190154 SRS-KAS-WHWH-440
White / 44.5 08017732190161 SRS-KAS-WHWH-445
White / 45 08017732190178 SRS-KAS-WHWH-450 SHO256833235
White / 45.5 08017732190185 SRS-KAS-WHWH-455 SHO267493495
White / 46 08017732190192 SRS-KAS-WHWH-460
White / 46.5 08017732190208 SRS-KAS-WHWH-465
White / 47 08017732190215 SRS-KAS-WHWH-470
White / 48 08017732190222 SRS-KAS-WHWH-480
White/Black/Red / 39 08017732483058 SRS-KAS-WBKR-390
White/Black/Red / 39.5 08017732483065 SRS-KAS-WBKR-395
White/Black/Red / 40 08017732483072 SRS-KAS-WBKR-400


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