Just loosen the laces and youre ok. Of course comfortable as all Birkenstocks are. n0681f please send a prepaid return shipping label. Product was as described And easy to install. n0681f Went into my BMW System 7 helmet just fine. n0681f Malheureusement, le tissu ne respire pas autant quon pourrait souhaiter Shame on me, I missed the return window for refund. Overall, 10/10. n0681f I figured these would be a decent compromise between the expensive $350+ headphones that dominate the "best" Bluetooth with active noise cancellation that you can buy and the extremely cheapo sub-$100 Bluetooth headphones. I am a size 9 US and bought the 39 BR/9 M and they fit perfectly.
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