I'm by no means a footwear designer, but just wanted to share my sketching improvements with you all! Practice practice practice : r/IndustrialDesign
Footwear Made for Walking, Stationery Made for Sketching: Shoe Design Book and Shoe Sketchbook by Fashionary - Irenebrination: Notes on Architecture, Art, Fashion, Fashion Law, Science & Technology
Design a sneaker footwear concept sketch by Anntiger | Fiverr
Sneaker Sketches on Behance
The ARKK Velcalite: Sneaker Design Inspired by Scandinavian Architecture
Printable Sports Shoe Sketch Book Shoe Design Book Shoe - Etsy