Selection of hats according the following parameters material according to structure/weight: heavybrushed cotton - standard colours ex stock, other ones according to supply possibilities of our suppliers - cotton,wool,polyester and others - but also possible to deliver us your own material Sizes- according to diameter of head/cm : children - 50,51,52,53 youths - 54,55,56,57 adults - 58,59,60,61,62 Colours -every combination possible: head,rings,curves,border ventilation: sewed rings, metal rings 4 and 6m (nickel + oldbrass,black) Curves: normal, border logo placement : possible to embroide on parts parts of hats according to design/cutting- look at the photos on the right side: Hučka, Strip, Klasik, Tramp, Pocket, Fleece