While there's virtually no end to the variety that can be found in the world of women's panties, men's underwear has traditionally stayed within the same, limited range. Aiming to encourage fashionable males to begin thinking “outside the jocks,” Australian Sly Underwear has rethought the undergarment with a fresh take on youthfulness and style. With a wide range of designs including one pair that looks like it's made from denim, Sly Underwear's product line focuses on three styles: the “workhard” version designed for everyday wear without any leg ride-up; the “playharder” model with bold graphics and longer legs; and the…