As men, when it comes to dressing for steaming hot offices, we face a nightmare. If you ignore the weather and wear your usual shirt and pants you'll be dripping like a tap before you even reach your desk. Meanwhile, try to go too casual and it'll be the day your big boss comes to see you and leaves shaking his head at your flip-flops/Bermuda shorts combo.

So how do you stay sharp while beating the heat? It's a case of relaxing your wardrobe to let in a little sun, but avoiding coming over all last-train-back-from-Montauk beach bum. The five tips below should help give you a steer. But remember — if you're working from home, all bets are off (be sure stick on some clothes for Skype calls, at least).