Mens Obsessive Birding Disorder Funny Birdwatching T-Shirt Medium Slate Go to amazon.com Related posts Top 17 birding shirt men FeatureObsessive Birding Disorder Funny Birdwatching T-Shirtbirds, bird watching, bird watcher, birder, birding, humor, binoculars, giftLightweight, Classic fit, Double-needle sleeve and bottom hem DescriptionObsessive Birding Disorder Funny Birdwatching T-Shirt! Note - please order a size up in women's sizes.