REI Co-op Lightweight Base Layer Half-Zip Top - Men's

• Made of a soft polyester blend that wicks sweat and dries fast to keep you warm in winter and cool in summer
• Spandex in the blend gives the fabric 4-way stretch, while underarm gussets ensure you can reach and move with ease
• Flatseam construction is comfortable against your skin
• Lower back hem stays tucked when you stretch
• UPF 50+ sun protection
• Semi-fitted
• Made in a Fair Trade Certified? factory
• REI is Climate Neutral Certified; as we work to actively reduce our footprint, we measure annual carbon emissions and purchase an equivalent amount of verified carbon credits

Imported.