Breathable, warm, and cozy, our signature hoodie is the perfect pre- and post-workout layer. Naturally Breathable, Cotton-Blend Fleece Fabric Naturally breathable Soft against skin Lightweight warmth Features Ribbed panels at sides and under arms for added mobility Front pockets with an interior media pocket Thumbholes help keep sleeves down and hands warm Elastic zipper pull doubles as an emergency hair tie Sz4 Measurements (lying flat): Underarm to underarm: 17 1/2" Length: 23"