I love these but I've never worn fitflop and want to know if anyone has these and if so how firm the heels are as I blister easily. [[https://www.mandmdirect.com/01/details/FT30237/FitFlop-Womens-Neo-D-Hyker-Leather-Mix-Outdoor-Trainers-Pink-Sky-Mix https://www.mandmdirect.com/01/details/FT30237/FitFlop-Womens-Neo-D-Hyker-Leather-Mix-Outdoor-Trainers-Pink-Sky-Mix]]