A performance thin weight waterproof socklet designed specifically for Road Cycling for conditions where minimal insulation & maximum breathability are required. Totally waterproof, breathable & windproof Constructed with our proprietary Stretchdry waterproof, breathable & windproof technology Our lightest waterproof sock, ideal for warm, wet days Merino wool lining for moisture control & comfort Elasticated cuff & insteps offer support & a comfortable fit 40d-tumble