- Men’s dark khaki T-shirt - Round neck, short sleeves - Arty rubber image on front - URBAN LAB line, special DRY FAST treatment: Wicks sweat away and dries fast when wearing to feel comfortable all day This T-shirt from the Urban Lab line has a brand-new, tone-on-tone arty rubber image. In dark green, picking up the military line, it has a special Dry Fast treatment guaranteeing that it will wick sweat away and dry fast.