Freeknot Inner HYOON Ventilation Undershirt Black M

An undershirt that is "comfortable with a sustained cool feeling. Smooth fabric makes it comfortable." 
[Heat dissipation] Uses 40 denier nylon thread, which is thinner than general innerwear. It also has excellent heat dissipation properties that efficiently release heat from inside the garment, so you can feel cool even while wearing it. * 45% easier to let heat escape than general polyester fabric, 32% easier to let heat escape than HYOONEX * Separate graph available
Absorbs and dissipates sweat to keep the skin surface dry and comfortable. 
[UV protection (UPF50+)] Full dull yarn is used and the high gauge makes it difficult to see through and blocks UV rays.
[Smooth] High multifilament yarn is knitted with a high density high gauge for a smooth and soft feel.
[Cool to the touch] Nylon material with high thermal conductivity provides a cool feel.
[Stretch] High stretch that follows various movements.
The neck and sides are made of the same material to reduce rubbing.
The back and sides are made of fine mesh to prevent stuffiness (the mesh part does not have UV protection)
Flat seams reduce roughness against the skin