Sealskinz mtb thin mid with hydrostop socksthese mtb thin mid socks with hydrostop from sealskinz are thin midweight mid length waterproof socks with hydrostop technology they have been developed especially for road cycling where conditions require minimal insulation and maximum breathability comfortable fitthey have merino wool lining to provide moisture management and comfort while elasticated ankles insteps and y gore heels provide extra support and ensure a comfortable fit featuresligh