Hard-charging winter days start out cold, but you always warm up. The men's REI Co-op Midweight base layer half-zip top offers the warmth of long sleeves and the easy venting of a front zipper.
Quantity
ADD TO CART
BUY IT NOW
Unavailable
Unavailable
Detail
Features
High neck coverage with a half-zip front lets you open up for venting when you're working hard
Recycled polyester/spandex fabric wicks moisture to keep you comfortable
Smooth outer face lets layers slide on easily, while a brushed interior provides warmth
Spandex adds the right amount of stretch while underarm gussets maximize your range of motion
Flatseam construction reduces bulk and chafing
Thumbholes hold your sleeves in place and seal warmth in
Rolled-forward shoulder seams prevent abrasion from pack straps
UPF 50+ rating
Back length: 29 in.; Tall sizes: 31 in.
Weight: 9.8 oz.
Machine wash cold; wash separately, gentle cycle, remove promptly; do not use bleach or fabric softeners; tumble dry low
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
Made in a Fair Trade Certified™ factory
Contains materials that meet the bluesign® criteria
