Outside Coast SLAC Tech Baselayer Longsleeve – your second skin for active days. This technical baselayer is made from 91% recycled polyester and 9% elastane for the perfect balance of stretch and sustainability. Lightweight, quick-dry, and moisture-wicking, it keeps you comfortable and dry through every move. The ergonomic design with functional panelling eliminates friction, so you can focus fully on your pace, your climb, or your ride. Built to move with you – and built to last.