Our new full-zip active layer in our comfortable studioFLEX active fabric, that's perfect for throwing on pre- and post-workout! Our studioFLEX fabric is lightweight, buttery soft and nonrestrictive providing a barely there feel, it moves with you during low impact activity and is also great for all-day wear. Features a slim fit, zip-up front, mockneck collar, side pockets and thumbholes at cuffs. Pairs perfect with our YPB slim tanks!