Stella McCartney x adidas Wmns UltraBoost X 3D Knit "Black Collegiate Purple"
Original retail: $230 · Lowest resale ask: $159 on GOAT (Nov 14, 2026)
Colorway: Core Black/Collegiate Purple/Peach Nougat · Style code: FX3973 · Lowest resale ask: $159 · Availability: Available now
Source: GOAT's catalog (original retail) · stores checked Nov 14, 2026, 4:20 PM ET
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All adidas UltraBoost release dates & colorways
The Ultraboost X was adidas's womens-specific running build, with a floating arch section that leaves the midfoot uncovered. This 3D Knit version in black with collegiate purple came through the Stella McCartney line at $230. No release date is on record.
Written with AI from brand specs; facts checked against our catalog data on Sep 18, 2026.