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In celebration of Breaking2, Nike’s innovation project to break the two-hour marathon barrier, Nike will release the NikeLab Zoom Fly SP — a model capturing the early prototype phase of Breaking2 footwear — with added design elements that indicate how the shoe developed. It features a translucent, stretch-woven upper that's lightweight and breathable, original designer sketches on the sockliner and running-focused graphics on the tongue, upper and midsole.

NikeLab Zoom Fly SP 1

Running-focused graphics, including a Swoosh pinwheel icon, Speed track icon and Finish checker icon are on the translucent tongue. Wavy embroidery traces the edges of the upper above a white/bright crimson midsole.

NikeLab Zoom Fly SP 10

Original designer sketches are on each bright crimson sockliner. 

The NikeLab Zoom Fly SP is fast enough for race day, yet durable enough for everyday training. Ultra-lightweight, soft and highly resilient Lunarlon foam creates a light, responsive underfoot experience, while an embedded, full-length, carbon-infused nylon plate increases stiffness. A high abrasion rubber in the heel adds durability. The shoe’s 10mm offset is designed to minimize Achilles strain, and the 33-mm stack height ensures impact protection mile after mile.

Below, a breakdown of the design:

NikeLab Zoom Fly SP 8

The inner left side of the tongue has text referring to the prototype design’s specifications. The inner right side of the tongue has space for the wearer to fill in the Trial No., Location and Time of their own fastest running attempts.

NikeLab Zoom Fly SP 9

The digital clock graphic on the heel references the brave attempt to break the two-hour marathon barrier and also nods to the original Nike Zoom Mayfly.

Swoosh pinwheel icon

Created in 1976 by Nike’s first employee, Jeff Johnson, who fanned out the Swoosh to make a sunburst design

Speed track icon

References the speed and elegance of auto racing at Autodromo Nationale Monza in Italy, where Breaking2 took place on May 6, 2017

Finish checker icon

References the flags present at marathon finish lines

Digital clock graphic

References the brave attempt to break the two-hour marathon barrier and also nods to the original Nike Zoom Mayfly

NikeLab Zoom Fly SP 0

Interior tongue graphics

August 2015: The month and year the design was initiated
ALTRNT MAT V2: Indicating this is the second version of this translucent alternate material
STRETCH WVN: To communicate the material is stretch woven
EMB: The upper is also embroidered
Summer 2017: The season of the shoe’s release

"FAST" text on the heel

FAST: Indicates the shoe is part of Nike’s FAST running series
INNOV CNCPT: Shows that it is an innovation concept
DSGN V7.2: Means this is the seventh iteration and second material direction of the upper design

The NikeLab Zoom Fly SP is available starting June 8 on Nike+, and at select retailers.