Product Parameters:
This set includes 4 pairs of women's compression sleeves in black and beige. Made from a blend of nylon and spandex, the sleeves are soft, elastic, and breathable for a smooth fit under everyday clothing. Each sleeve measures approximately 24 cm in length and is designed to fit arm circumferences ranging from about 20 to 35 cm.

Core Features:
These upper arm shapers provide firm and even compression to help create a smoother arm appearance. The elastic fabric is designed for comfortable daily wear without excessive stretching, while the breathable structure supports prolonged use. The set of 4 pairs also allows for convenient rotation, replacement, and regular use during active routines.

Suitable Scenarios:
Suitable for daily wear and for sports or fitness activities involving arm movement and support needs. Based on the provided information, these sleeves can be used during yoga, running, swimming, basketball, baseball, gym workouts, and general fitness routines. They are also suitable for users seeking light upper arm shaping support under clothing.

Product Summary:
This set of 4 pairs of compression sleeves combines elastic support, breathable comfort, and practical everyday use. With two classic colors and a flexible fit range, it offers a simple accessory for upper arm shaping for both active and daily wear.