•A - Achilles support keeps your sock in place
•B - Reinforced heel and toe for durability and strength
•C - Instep support for stability
•D - Double-up merino cushioning for increased comfort in heel and metatarsal bones
•E - Seamless toe closure to reduce bulk and prevent blisters
•F - Breathe zone for improved ventilation
•G - Function junction to eliminate bulk
•H - Comfort cuff wide welt for comfort