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

Imagine the crisp morning air on a high alpine traverse, demanding gear that works as hard as you do. Designed for a barely-there feel and uninhibited motion, it slips effortlessly under mid-layers, ensuring you stay agile and comfortable without bulk. This essential piece allows you to adapt to changing conditions and truly immerse yourself in the journey. 
 
PRODUCT CONDITION
 
This UnNew REI Co-op Lightweight Base Layer Half-Zip Top - Women's is in Excellent condition. 
 
Products in Excellent condition have seen minimal use and wear. Any imperfections are purely cosmetic and do not affect the intended performance of the product.   



TECH SPECS

• 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
• High neck coverage with a half-zip front lets you open up for venting when you're working hard
• Flatseam construction is comfortable against your skin
• Lower back hem stays tucked when you stretch
• UPF 50+ sun protection
• Fitted
• REI Co-op brand is certified to The Climate Label; we actively fund efforts to reduce carbon emissions across our business and support climate projects around the world
• Made in a Fair Trade Certified™ factory