This deal has ended.
These women's REI Midweight Polartec Power Dry Long Underwear Bottoms drop from $39.50 to $9.83 as part of the Labor Day Sale at REI.com. Similar brands run about $30. These feature an interior yard for moisture-wicking and an exterior yarn for warmth. Shipping adds $5.99 or is free with any $50 order so be sure to check out the rest of the clearance items. Sales tax is charged in most states.