New PearlIzumi OctaneSL with Slice carbon in size 43..The Octane SL is the crown jewel of the lineup weighing in at a scant 199 grams per shoe. The sole is a unidirectional carbon plate with a very thin stack height bringing your connection to the pedal closer and stiff.
A new synthetic upper hides a thermoplastic heel cup which provides better heel hold than external mechanisms or textiles.
There is also a generous vent in the toe of the sole directing a cooling airflow to keep your foot dry and comfortable. Having a hole allows better wear by avoiding the use of unnecessary stitching. That same vent could make the shoe cold on wintery days, but Pearl Izumi is also known for making great toe booties as well.
The PearlIzumi Octane SL is designed with a vent port built into the unidirectional carbon fiber sole which allows for air intake at the front of the shoe. The added perforation at the top of the shoe then allows the air to flow to escape through the top of the shoe. In the hot weather, the extra air flow really made a difference in keeping feet cool.
The three Velcro straps on top of the shoe make adjusting easy even while riding. The synthetic heel cup kept the heel secured even during out of the saddle and sprinting. Other added features are toe and heel scuff guards and a textured section where the cleat attaches to help hold the cleat in place.
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