Plant Seeds IDEA Hat - Forrest Green IDEA £40.00 Default Title - £40.00 Quantity This product is currently sold out. Please fill in the form below if you'd like to be notified when it becomes available. Plants Seeds replica seventies weed patch hat from IDEA features a woven embroidered badge on deep green bio washed cotton hat. The patch design referenced in the 1976 pocket book Hallucinogenic Plants. Adjustable metal clip. One size fits most.