A style designed for the needs of hunting and fishing in cold and moist conditions, these UpHillSport “Kaihu” Hunting 3 Layer L4 Socks are knee length and made to be light in weight with a thin layered ‘Duratech’ structure high in insulating merino wool, providing the perfect blend of warmth, moisture control, durability and breathability, and with a thermal grade of 4. The thinner profile of these socks allows them to be worn in tighter footwear, but still maintaining the benefits of the thermal and moisture control abilities of UpHill’s thicker styles. The socks are constructed with an elastane grip mid-foot on the arch and another, above the ankle. Along with a fitted heel, this prevents the socks from slipping out of place during wear. A seamless toe design helps to stop chafing and blisters from friction. All UphillSport socks incorporating merino wool come from mulesing free farming sources.