Diesel - Boundless. From the #DieselFW23 Runway Show, the S-Prototype P1 is the next evolution of Glenn Martens' signature Prototype sneaker. A unisex style defined by its rubber cage sole that envelopes,Men's S-Prototype P1-Sneakers with transparent rubber overlay | Multicolor | Diesel,S-PROTOTYPE P1,Diesel Prototype genderless Sneakers: leather, rubber | Diesel®,S-PROTOTYPE P1