The Clymb (daily deal site) OFFERS a free $10 credit to new members PLUS until March 4th you get FREE shipping too (no minimum!). You will be prompted to enter your email address to score your FREE $10 credit) once you sign up here.
There were socks in the Teko sale which were priced under $10 (up to a $19 value!), so FREE + FREE shipping after the $10 credit! Sold out currently but hold onto your FREE $10 credit as new deals are added each day and make your purchase by Sunday to take advantage of the free shipping!