CB01, as our first classic chest binder, is here to be your reliable companion, ensuring exceptional compression, breathability, and daily comfort. • Compression Level: High • By integrating a dense cotton lining with the outer fabric, the front panel of the chest binder effectively produces a substantial flattening effect. • Breathable and sweat-wicking high-stretch nylon fabric. • The optimized and enlarged armhole design of the chest binder prevents excessive squeezing of the underarm area. • Optimized and enlarged neckline. • Support for high-impact activities like soccer, running, skating, tennis, etc. • For enhanced quick drying and comfort, we suggest considering a chest binder from our dedicated SWIM collection, designed specifically for aquatic activities. • Outer: 75% Nylon, 25% Lycra; Lining: 100% Cotton