Comfy and classic, these 3-Pack Trunks from Nike offer a sleek base for your daily essentials, arriving in blue, navy and burgundy hues. Available sizes: EU S, EU M, EU L, EU XL. Nike Boxer shorts TRUNK 3PK. No one can resist the benefits of Nike boxer shorts. Nike truly thinks in terms of masculine comfort, all translated into a minimalist aesthetic. A must-have! For hygiene reasons, underwear cannot be returned.