Product Details + Portwest Stretch contains a cotton rich and elastane mix with superior comfort and freedom of movement. Stretch fabric- 98% Cotton, 2% Elastane. 50 UPF rated fabric to block 98% of UV rays. Flexible breathable segmented reflective tape for increased visibility. Bio motion tape pattern to improve recognition of human shape at distance. Contemporary design with an ergonomic cut. 8 pockets for ample storage.