The Li Ning Brief is made by comfortable skin free materials. The underwear are available with 4 pack in black and grey color.. Model: Li-Ning Men's Underwear Boxer Briefs Style Code: ANKS001 Color: Black; Grey Materials: 94% Cotton 6% Spandex Thickness: Moderate; Elasticity: Elastic Series: Li Ning Men's Casual Sport Underwear Release Date: 2023 Summer 100% Authentic and Brand New