Mavericks doesn"t get good until the coldest time of the year, and the XCEL Men"s Infiniti Drylock Split-Toe Boot is made for the worst that brings out the best. Warm toes aren"t useful when constricted, so the split-toe design allows enhanced feel and flexibility, while Drylock seams seal out bone-chilling water. Product FeaturesUpper Material: UltraStretch (neoprene), ThermoBamboo (synthetic fibers infused with bamboo charcoal)Waterproofing: Sole: rubberMidsole: Footbed: Construction: Lacing: pull-on with hook-and-loop ankle strapWeight: Recommended Use: cold-water surfingManufacturer Warranty: 1 year