Not certain that they are necessary but will find out next weekend when we ride the St Croix National Forest trails in MN/WI. Bought the navy floral. m21 junior Unfortunately they make my feet sweat and after wearing them for a few days I got terrible smelly feet. It looked like cotton in the pictures. m21 junior To my surprise, once I connected to the towns wifi using the halo I consistently received 5+Mbps download and 2+Mbps upload. m21 junior I finally decided that the whole thing was just too poorly made, uninstalled it, and shipped it back. The last thing, and personally I think this is the only truly annoying thing, is that you have to hold the power button for like 5 or 6 seconds for them to turn on or off so when I first got them I thought they were dead or broken but I figured it out. First, these sandals are a full size smaller than what they are supposed to be. m21 junior After a couple days they will be fine, but if you dont want the hassle of breaking them in like I have to, go a size up. It works perfectly on my iPhone 11 Pro in a Speck case and Apple Watch.
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