Streakfly 2 Sock May be worn during or

May be worn during or after activities - with or without shoes - but never over socks

mid-high Chelsea boot that’s instantly recognizable as an authentic BIRKENSTOCK original thanks to the cork elements of the sole

The EVA midsole adds cushioned support

It’s never easy

Untamed Spirit

Streakfly 2 Sock May be worn during orThe Streakfly 2 can help you out kick the opposition on race day. This speedster now comes with a carbon fiber Flyplate, complementing the ultra responsive ZoomX foam midsole and minimal upper you loved on the original. From the 10K to the mile, it can help you take your distances to the next level. Full Speed We integrated a full length carbon fiber Flyplate that delivers a propulsive feel. It helps you smoothly transition through every stride and