Complex sentence: Volcom, Inc. is a designer, marketer and distributor of young men's and young women's clothing, footwear, accessories and related products sold under the Volcom brand name.
Split into simpler sentences: Volcom, Inc. is a designer, marketer, and distributor of youth-oriented products. The company primarily produces young men's and young women's clothing, footwear, accessories, and related products, all sold under the "Volcom" brand name.