Reinvigorate your activewear wardrobe this January with this selection of the best long-sleeved workout tops for running and the gym. Stocking ... this reflective long sleeve from Proviz.

Hence: Lots of crop tops and impromptu muscle tanks at the gym. Yeah, I Work Out ... For an affordable $32, this HeatGear long-sleeve top is a must-have. The cold won't be an excuse next winter.