Skip to main content
We may get paid by partner for deals, including promoted items

Menu

Trending
Top Brands Palmetto State ArmoryHot Yeti CoolerDeal NatchezDeal SitkaDeal 5.11Sale Winter Clearance Amazon Pickleball Sale Amazon FitnessHot Stores
REI Co-op Men's Merino 250 Base Layer Bottoms Blue Xxxl by Rei Co-Op -

Product Description

Get ready for adventures in the cold with our warmest merino base layer bottoms yet. These heavyweight REI Co-op base layer bottoms are made with 100% merino wool that wicks sweat and dries fast.

REI Co-op Men's Merino 250 Base Layer Bottoms Blue Xxxl

at REI.com
Browse all REI.com deals
$104.95
In Stock at REI.com
Price verified today
Buy Now at REI.com
Secure checkout Easy returns
or compare prices
Amazon logo Amazon eBay logo eBay

Product Details

Brand Rei Co-Op
Color Black
Size M Tall
Material Wool / Wool Blend
Gender male
MPN 25009
Rei Co-Op

More from Rei Co-Op

REI.com
Last Updated:
Oct 11, 2026 05:39 AM
REI Co-op BEAMS x REI Co-op Expedition Parka Blue XL REI Co-op BEAMS x REI Co-op Expedition Parka Blue XL View Details
$599.00
Buy Now · $599.00
REI.com
REI.com
Last Updated:
Oct 11, 2026 05:39 AM
REI Co-op Sno-Fi Graphic Camp Mug - 12 fl. oz. Blue REI Co-op Sno-Fi Graphic Camp Mug - 12 fl. oz. Blue View Details
$24.95
Buy Now · $24.95
REI.com
REI.com
Last Updated:
Oct 11, 2026 05:39 AM
REI Co-op Timber Mountain Bibs - Toddlers' Black 3 T REI Co-op Timber Mountain Bibs - Toddlers' Black 3 T View Details
$74.95
Buy Now · $74.95
REI.com
REI.com
Last Updated:
Oct 11, 2026 05:39 AM
REI Co-op Sno-op Graphic Flask - 8 fl. oz. Blue REI Co-op Sno-op Graphic Flask - 8 fl. oz. Blue View Details
$24.95
Buy Now · $24.95
REI.com
REI.com
Last Updated:
Oct 11, 2026 05:39 AM
REI Co-op Graphic Cuff Beanie Green REI Co-op Graphic Cuff Beanie Green View Details
$22.95
Buy Now · $22.95
REI.com
REI.com
Last Updated:
Oct 11, 2026 05:39 AM
REI Co-op Trailsmith Leather Gloves Yellow XXL REI Co-op Trailsmith Leather Gloves Yellow XXL View Details
$49.95
Buy Now · $49.95
REI.com
REI.com
Last Updated:
Oct 11, 2026 05:39 AM
REI Co-op Men's Merino 250 Half-Zip Base Layer Top Blue S REI Co-op Men's Merino 250 Half-Zip Base Layer Top Blue S View Details
$109.95
Buy Now · $109.95
REI.com
REI.com
Last Updated:
Oct 11, 2026 05:39 AM
REI Co-op Women's Merino 250 Half-Zip Base Layer Top Black 2X REI Co-op Women's Merino 250 Half-Zip Base Layer Top Black 2X View Details
$109.95
Buy Now · $109.95
REI.com
REI.com
Last Updated:
Oct 11, 2026 05:39 AM
REI Co-op Timber Mountain Insulated Jacket Green L Kids REI Co-op Timber Mountain Insulated Jacket Green L Kids View Details
$129.00
Buy Now · $129.00
REI.com
REI.com
Last Updated:
Oct 11, 2026 05:39 AM
REI Co-op Timber Mountain Pants Black XS Kids REI Co-op Timber Mountain Pants Black XS Kids View Details
$109.00
Buy Now · $109.00
REI.com
REI.com
Last Updated:
Oct 11, 2026 05:39 AM
REI Co-op Norseland Hat and Mittens Set Blue REI Co-op Norseland Hat and Mittens Set Blue View Details
$44.95
Buy Now · $44.95
REI.com
REI.com
Last Updated:
Oct 11, 2026 05:39 AM
REI Co-op Campwell Cap White REI Co-op Campwell Cap White View Details
$34.95
Buy Now · $34.95
REI.com
REI.com
Last Updated:
Oct 11, 2026 05:39 AM
REI Co-op Timber Mountain Bibs Black XXS Kids REI Co-op Timber Mountain Bibs Black XXS Kids View Details
$119.00
Buy Now · $119.00
REI.com
REI.com
Last Updated:
Oct 11, 2026 05:39 AM
Sold Out
REI Co-op MiiR Insulated Tomo - 33 fl. oz. Blue REI Co-op MiiR Insulated Tomo - 33 fl. oz. Blue View Details
$65.00
Buy Now · $65.00
REI.com
REI.com
Last Updated:
Oct 11, 2026 05:39 AM
Sold Out
REI Co-op MiiR Insulated Camp Cup - 8 fl. oz. Red REI Co-op MiiR Insulated Camp Cup - 8 fl. oz. Red View Details
$22.95
Buy Now · $22.95
REI.com
REI.com
Last Updated:
Oct 11, 2026 05:39 AM
REI Co-op Powderbound Merino Wool Midweight Over-the-Calf Socks Pink L REI Co-op Powderbound Merino Wool Midweight Over-the-Calf Socks Pink L View Details
$25.95
Buy Now · $25.95
REI.com
REI.com
Last Updated:
Oct 11, 2026 05:39 AM
REI Co-op Powderbound Merino Wool Lightweight Over-the-Calf Socks Blue XL REI Co-op Powderbound Merino Wool Lightweight Over-the-Calf Socks Blue XL View Details
$24.95
Buy Now · $24.95
REI.com
REI.com
Last Updated:
Oct 11, 2026 05:39 AM
REI Co-op Campwell Cable Beanie White REI Co-op Campwell Cable Beanie White View Details
$36.95
Buy Now · $36.95
REI.com
REI.com
Last Updated:
Oct 11, 2026 05:39 AM
Sold Out
REI Co-op Norseland Trek Merino Wool Crew Socks - 2 Pairs Blue L/XL REI Co-op Norseland Trek Merino Wool Crew Socks - 2 Pairs Blue L/XL View Details
$33.95
Buy Now · $33.95
REI.com
REI.com
Last Updated:
Oct 11, 2026 05:39 AM
REI Co-op Campwell Merino Wool Crew Socks Black S REI Co-op Campwell Merino Wool Crew Socks Black S View Details
$23.95
Buy Now · $23.95
REI.com