SUPERIOR COMFORT, STAY COOL AND DRY:The 3D V-shaped columnar structure quickly absorbs sweat, aiding in regulating the humidity level of the body's microclimate to the optimal level of 40%-60%. CHALLENGES LIMITS, INCREASES PHYSICCAL COMMAND:The 3D Diamond Web compresses and stimulates the critically important deltoid, assisting the shoulder in flexion, extension, abduction, rotation, and other movements, improving physical control and helping maintain posture stability during high-intensity exercise. MAXIMIZES MUSCLE PERFORMANCE: The X-shaped design of the15D Diamond Web compresses and wraps around the trapezius, inducing contractions through stimulation and supporting part of the rotator cuff. By directing the strength of the upper back to the spine,t allows for a more stable upper body posture, a reduction of rounded shoulders and kyphosis, and further strengthening elevation, adduction, and internal/external rotation of the scapula. HUMAN BIOMECHANICS DESIGN: LP SUPPORT air compression shirts is build in with power band wraps around and compresses the rectus abdominis, the internal and external obliques, and the erector spinae. Through stimulation from the Power Band, increg force of muscle contraction, which gives strong support to the waist when extending and rotating, thereby increg overall torso stability, aiding in maintaining a correct posture during high-intensity exercise. Pull On closure. Designed in USA / Made in Taiwan. MATERIAL: 75% Nylon,19% Polyester, 6% Elastane.Best Sellers Rank: See Top 100 in Clothing, Shoes & Jewelry. : B08ZC845KF. Manufacturer: LP SUPPORT. Date First Available: March 18, 2021.