I have Achilles Tendonitis and thought these might help. They have good compression, but I don't really feel a lot of arch support. I thought they would have extra fluff in the heel, but they don't. Nice socks, they are comfortable, but not sure it will help your Achilles.
Men'S Long Sleeve Polo Shirt - Slim Fit, Stretchy, Breathable Collar
43 Review
Men'S Regular Fit Short-Sleeve Dress Shirts By Allsense - Look Stylish And Professional!
41 Review
INFLATION Bamboo Shirts Sleeve Elastic Men's Clothing in Shirts
45 Review
H2H Mens Casual Slim Fit Short Sleeve T-Shirts Cotton Blended Soft Lightweight V-Neck/Crew-Neck
46 Review