?CUSTOMER SERVICE? You may feel foot pressure when wearing it for the first time. It's normal because your feet are not used to high arch support. We recommend starting from 2-3 hours a day and increg the time each day gradually. If you have any questions, please contact us, we will provide the best quality after-sales service. ?EASY TO USE WITHOUT TRIM? These 3/4 insoles for plantar fasciitis support no need to trim or replace the original insole. You can easily insert these arch-support trainers into your shoes. These trainer insoles fit most types of sports, casual shoes, work shoes, boots, etc. Suitable for people with uncomfortable feet who must stand for a long time to resist fatigue. ?SHOCK ABSORPTION? 3/4 plantar fasciitis support insoles made of high-quality, durable, high-density rigid EVA foam that perfectly supports the foot. The velvet fabric and high-density PU memory foam feel delicate, soft, and breathable, so your feet are comfortable and calm all day. EVA cushioning is added under the shoe heel inserts to provide additional cushioning and shock absorption. ?PLANTAR FASCIITIS INSOLES? QBK's 3/4 length work boot insoles provide anatomical arch support and comfort for those with flat feet, plantar fasciitis, heel spurs, overpronation, fallen arch, and heel pain. The structured heel cup helps stabilize the foot in the proper position and adjust your body to normal alignment. ?35MM HIGH ARCH SUPPORT? A pair of 3/4 length orthotic insoles feature up to 35mm high arch support, which absorb the impact of each step during exercise or walking, perfectly fit the contours of your arch and evenly distribute foot pressure, and reduces fatigue.