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

Feel the difference a smart base layer makes as you crest a ridge, the wind picking up its pace. This REI Co-op Lightweight Base Layer Half-Zip Top is engineered with Polartec Power Grid fabric, a textile marvel featuring a smooth exterior and a brushed, gridded interior that actively manages your microclimate by trapping warmth in its channels while simultaneously accelerating moisture vapor escape. It’s a seamless transition from cool morning starts to sun-drenched ascents, thanks to its exceptional wicking and quick-drying properties, bolstered by HeiQ Fresh FFL for confident odor control and UPF 15 sun protection. The half-zip provides instant temperature regulation, while subtle thumbholes offer a welcome extension of warmth and coverage. Crafted with 93% recycled polyester and bluesign approved, it’s a foundational piece for any pursuit, ensuring adaptable comfort and freedom of movement whether you're logging miles on the trail or seeking the summit. 
 
PRODUCT CONDITION
 
This UnNew REI Co-op Lightweight Base Layer Half-Zip Top - Women's is in Good condition. 
 
Products in Good condition have been well loved, but still have life left in them. Signs of wear may include pilling, snags, lint, animal hair, dried dirt, minor but noticeable staining, and other cosmetic imperfections. Small tears or holes may be present, but will not affect the functionality of the item. 
 
With this item, the following damages were observed: 

-lightly worn

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