FizikFizik R1 transiro tri shoes
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Transiro Infinito R1 Knit is a high performance triathlon shoe engineered with an innovative knitted upper for enhanced breathability.
When it came to designing a new premium shoe for triathletes competing at Ironman level fizik were asked to combine the stiff, race-orientated feel and prime fit of their road shoes with a new design facilitating quick and easy foot entry at transition, and superb comfort for riding without socks. All of this in an extremely breathable, quick drying construction.
Fizik Knit uppers are a cut above traditional woven fabric or microfiber uppers. They are created using electronic knitting machines which accurately link loops of yarn on needles that can seamlessly change the yarn direction of the fabric to create different stitching patterns. The process produces distinct functional zones, with engineered performance in key areas, such as vents and mech openings for enganced breathability. The additional water-repellant treatment ensures the yarn does not absorb moisyure, and in combination with the enhanced ventilation the upper dries quickly when slipping Transiro Infinito R1 Knit onto wet feet after T1.
To guarantee efficient power transfer to the pedals, targeted areas of heat-fused PU have been integrated into the knit upper to create foot support where athletes need it most. This construction ensures the shoe has superior ventilation and is ultra-lightweight, but has the same support and pedalling efficiency as a traditionally built cycling shoe.
The BOA powered volume control fit is both quick and intuitive and yet provides the locked-in feel triathletes need for a 112 mile ride. The volume control system allows a differentiated fit adjustment for the instep and forefoot areas - the shape and volume of which can vary widely between athletes. By controlling two separate BOA dial closures, triathletes can fine-tune shoe fit to their unique foot shape for customised comfort and support.
A customised fit of the plantar arch is provided with the Dynamic Arch Support, a dedicated piece of the shoe's upper that wraps around the plantar arch, and is adjusted for fit with its own BOA dial.
The highly stiff R1 unidirectional full carbon outsole is tuned for the maximum power transfer, with vent openings channelling airflow through the sole for an efficient temperature control.
The Transiro Infinito R1 Knit features a cushioned flat-seam collar for a smooth sockless foot entry and riding comfort, and are equipped with a rubberised heel loop for setting the shoes on the bike for transition, and easily and quickly pulling your feet into them.
Upper - knitted construction for enhanced ventilation and comfort
Outsole - R1 full uni-directional ventilated carbon outsole
Closure system - Double BOA volume control with dynamic arch support
Approximate weight - 503g (size 42)