Offering lightweight performance the smartwool mens phd outdoor light crew socks are dedicated to lasting comfort made with indestructawool technology the socks are highly durable with high stretch capabilities for an increased range of movement vented zones allow for increased breathability with light underfoot cushioning for longer days on the hillactivitywalking hiking casualcolour swatchmid greycushioningcushioned heel cushioned toesgendermensperformancebreathable stretchbr