The Aimer TrueMilk Fiber Long-Sleeve Lounge Set features a classic lapel design and a moderate thickness, making it comfortable for indoor wear as well as for outings in spring and autumn. The fabric blends protein fibers with 47% cotton, offering excellent breathability and moisturizing benefits. The soft, skin-friendly material provides all-day comfort, ensuring a warm and cozy feel whether relaxing at home or for everyday wear during seasonal transitions.