Merino wool heavyweight, Welt top - improves the ability to stay up, Lin-toe - seamless toe that reduces irritation, Arch and ankle support - adds comfort, stability, & better fit, Extra cushion in heel and toe - reduces impact, Thermolite in foot bottom for warmth, anti-Microbial for odor control
Medium 5-8.5 Men / 6.5-10 Wos 23" long
Large 9-12 Men / 10.5-12 Wos 23" long