The Men's KUHL Optimizr Short Sleeve Shirt is great to wear from the office to the trails. The KUHL Optimizer shirt is made from durable yet breathable fabric that's quick-drying and moisture-wicking for maximum comfort. Plus, the KUHL Optimizer shirt offers four-way stretch for mobility in every direction. With the reduced collar, you'll enjoy a more modern look, while the UPF 40 sun protection within the KUHL Optimizer shirt reduces your chances of getting a sunburn. Be ready for work or your next adventure with the Men's KUHL Optimizr Short Sleeve Shirt.