Mike Draper, owner of Iowa-based clothing company RAYGUN, will speak in the Sun Room in the Memorial Union on Thursday from 7 to 9 p.m.

His lecture, “Making T-Shirts out of Pop Bottles” is part of the sustainability speaker series for the month of October. The series is to help celebrate 10 years of the Live Green! Initiative at Iowa State.

Merry Rankin, director of sustainability, said there will be Live Green! inspired t-shirts made by RAYGUN for sale at the lecture and at the bookstore in the Memorial Union for $23.99.

The t-shirts are made from recycled content and by a fair-trade certified garment factory in the United States. For every t-shirt sold half of the profits will go to supporting the Live Green! Initiative, Rankin said.

RAYGUN, the self-proclaimed “The Greatest Store In the Universe” is a t-shirt company based in Des Moines, Iowa, is known best for their whimsical mid-western and political themed apparel, according to the lectures website.

The company was started by Mike Draper in 2005 and was originally known as SMASH.

RAYGUN sells a variety of products including t-shirts that are screen-printed in their stores, posters, notebooks, stickers and many other items. RAYGUN has store locations in Des Moines, Kansas City, Mo., Iowa City and Cedar Rapids, Iowa, according to the RAYGUN website.

RAYGUN currently has 65 employees and sells about $4 million worth of products each year, according to the lectures website.

Draper’s lecture is sponsored by the Office of Sustainability, The Green Umbrella and the Committee on Lectures.