I have had the same left hip belt loop on three pairs of Levis pulled free apparently from getting in and out of my Elise (and no I'm not fat ). Anyone else experience the phenomenon? I have Exige seats for what it is worth.
And its not unheard of for the crotch to rip when getting into the car with the top on (Elise). I use the one leg in, on the aluminum the floor by the seat and duck and plop into the seat method (Sort of a loosely controlled fall into the car.