Kayla Weiser wrote an answer about Mountain Hardwear Double Wicked T-Shirt - Short-Sleeve - Men's on July 9, 2014
The two are very similar! The Wicked Lite is 1oz lighter, for those really looking to shave off the weight bit by bit. But the fabric between the two is the same, and offers the same wicking and antimicrobial features. So it won't hurt to save a couple bucks and go with the Wicked Lite!