A cardigan and a v-neck t-shirt are the kind of a tested off-duty ensemble that you so desperately need when you have no time to spare. Feeling venturesome today? Spice up this look by slipping into white rubber sandals. As we all know, the key to getting through the hottest time of year is dressing in fresh getups like this one. This combination proves that as an over-40 gentleman, you have a wide array of dressing options.