I did order an 11 which usually fits & these are a little big on me. This is almost impossible to do without touching the sensor, so your music pauses, or you turn the volume down or at worse, end your call accidentally. youtube link shortener channel If you’ve ever had aching feet or back, I suggest trying these out. Ok so I wear a 5 in shoes but Croc actually carries size 4 so I decided to go with the 4 thinking they run larger. youtube link shortener channel They come with 3 different sizes for just the right fit. youtube link shortener channel Ive contact Logitech and I havent been reached to yet. They look and feel like the original set, but the sound quality is far worse. I found the Hydroventure 2 to be much hotter than the MT-3, presumably due to the waterproofing. youtube link shortener channel In summary:Pros:Terrific Bluetooth pairing and excellent Bluetooth rangeVery comfortable in the earsStandard USB-C charging portQuite decent balance of highs and mids13+ hours on a charge (rated for 15 hours)Long cord fits comfortably behind the neckAttractive priceCons:Limited bassNo clips to keep in your ears during aggressive sportsDifferences between WI-C310 (this headphone) and predecessor WI-C300:Bluetooth:WI-C310: Version 5. I might suggest a half size larger).
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