Coliac has partnered with important international brands. The results show Martina Grasselli's creativity mixed together with the style of other fashion designers.

Tanya Taylor2017
New York based womenswear designer Tanya Taylor teamed up with Coliac to create shoes for both their lookbook and presentations during New York Fashion Week. Together, Tanya and Martina designed a capsule of 3 styles per season in Tanya Taylor signature prints and Coliac signature silhouettes. “Martina is a talented designer with a strong point of view. Coliac's shoes enhance our collection each season, and I look forward to working with Martina for seasons to come.”
Footwear designer Martina Grasselli has reinterpreted the "It" shoes of the season for Max&Co, using typical elements of Coliac: eyelets, stones, leather with metallic effects. The result is a capsule collection of two exclusive models: the iconic derby and the trend platform.
The Blonde Salad2015
Coliac teamed up with The Blonde Salad and its founder Chiara Ferragni for the creation of the limited edition and rock-chic Stella Derby Shoes, available only on