I bought size 8 for both. after i determined what needed to be removed to access where the bolts were to go. Tenía mis dudas al usar menos aceite que sabor tendrían y si se harían bien por dentro y la verdad es que el sabor es muy bueno. Other than that, these slippers feel great and are very warm! The metal bar on the shelf is also too low to hold anything taller than 5 inches or it will fall off the shelf. The main reason this headset is replacing my current (similarly priced) pair is also my favorite part of these: THEY ARE COMFORTABLE! I am very happy with my purchase, the rack looks super cute in my office, was easy to assemble and is well made. I havent gotten any blisters at all. Start with the hose fully collapsed and force the edges of your fitting to grab hold on the edge of the hose. This fightstick can also be easily modded.