The Static Peak Shirt is a midweight moisture-wicking performance short-sleeve shirt with sun protection for long days outside. Featuring engineered four-way stretch, flat seam construction and offset shoulder seams, the Static Peak Shirt offers unrestricted movement and a comfortable fit for any all-day adventure. Midweight moisture-wicking performance polyester jersey knit. Engineered four-way stretch for unrestricted freedom of movement and enhanced comfort. Offset shoulder seams to increase comfort and minimize chafing. Ultraviolet Protection Factor (UPF) 50 protection from UV rays. Set-in sleeves for enhanced movement and fit. Flat seam construction reduces bulk and minimizes seam chafing to increase comfort. Regular fit. 89% polyester, 13% Spandex jersey / 5.4 ounce / square yard; 184 gsm.