Muck Men's Apex Pro Vibram -30°C Sizes:10.0 Heather Gray: 90% cotton /

Heather Gray: 90% cotton / 10% polyester jersey knit

VIBRAM MEGAGRIP PRO™ sole

Base: Arctic Rubber Shell

The TravisMathew Perfect Polo

The sock helps to manage moisture and the Lycra gives the socks more strength and maintain the socks' shape

Muck Men's Apex Pro Vibram -30°C Sizes:10.0 Heather Gray: 90% cotton /A NEW LEVEL OF TRACTION TECHNOLOGY The new Vibram Arctic Grip All Terrain outsole with Vibram XS Trek Evo compound and New Traction Lug Technology provides advanced traction on all terrains including wet ice, snow, mixed loose surfaces and hard pack; superior grip no matter the season. The Apex Pro is built for high endurance cool and cold weather pursuits or treks that require a more athletic and agile boot. 100% waterproof with strategically placed