Performance and style fuse together with these women's Ultra Boost trainers by adidas. Constructed from breathable black primeknit, the shoes feature tonal black overlays to the heel and side walls that also act as a stay for the flat black laces. The synthetic side wall overlays double-up as adidas' unmistakable 3-Stripe branding and lead down to the clean 'Boost' midsole. Designed to return energy with every step, the 'Boost' midsole paired with the featherweight sock liner and 'Torsion' support system provides unrivalled comfort and performance. The shoe is finished with adidas branding to the tongue and heel, and comes complete in an Ultra Boost box.. Material: Textile Upper/Synthetic Sole