Shop Know Wave souvenirs at itk online store. Product range includes 29 Know Wave souvenirs in different colors: white, black, brown, natural, green, multi, gold, silver, red. Enjoy 100% authenticity and competitive prices from €4.13 to €99.17. Find more leading streetwear brands including: Porter-Yoshida & Co., Sun Buddies, Dime, Gramicci, Last Resort AB, Heresy, The Trilogy Tapes, etc.