For long outdoor jobs in the summer heat, nothing can beat our soft performance knit to keep you cool, comfortable, and dry. With more coverage than a short sleeve tee, our long sleeve B1 Sun Shirt offers 50+ SPF UV protection, keeping you safe from sunburn and sun sickness. Plus, our 4-way stretch fabric is thermo-regulating and ultra breathable, made to keep you cool and comfortable in the Spring or Summer at any outdoor site. Our performance workwear shirt is the perfect base layer for any full-coverage UV protection you may need while working onsite construction, landscaping, or tactical outdoor jobs.