Smartwool PhD Run Ultra Light Micro Socks Size:M you get the best of

you get the best of both worlds

Chris Malloy and Jeff Johnson

Fully seam taped

X-Fit Flexfit® gives the hat a snug and comfy fit

Confident closure: DrySeal™ roll-top closure makes it easier and more to achieve an optimal seal and secures with side compression straps (note: 35L size secures with a single top buckle

Smartwool PhD Run Ultra Light Micro Socks Size:M you get the best ofWhen it comes to running socks, we pull out all the stops to keep making improvements on our products. With brand new Shred Shield technology to help improve wear in the toe box, our PhD Run Ultra Light Micro socks feature the 4 Degree elite fit system and our Indestructawool technology for a dialed in fit and improved durability. Features Indestructawool technology for enhanced durability 4 Degree elite fit system for a dialed, performance oriented