An Official Look At The Puma x Diet Starts Monday x Greenhouse Collection Now available exclusively on the Greenhouse App, here is an official look at the Puma x Diet Starts Monday x Greenhouse Collection. The limited-edition travel-inspired collection delivers essentials including lightweight flight pants, heavy French terry tops, sneakers for quick slip-on/slip-off, and luggage to house the collection. Blues, Greys, Pinks, and Seafoam dominate the palette of the collection. The Puma x Diet Starts Monday x Greenhouse collection for Greenhouse incorporates the Puma Street Rider DSM, tees, hoodies, tracksuits and shorts. It also includes accessories such as a carry-on luggage, helmet bag and weekender duffle. The collection is now available exclusively on the Greenhouse app and priced at $40-$200 and at select Foot Locker global locations and online on December 31.