Skip to search results
loaded 104 results
Men's Underwear: Deals
(104 products)Products (104)
Sort: Best Match
- Top Rated$44.83 - $89.95Underwear Weight:LightweightSize Type:Regular, Big
- $49.83 - $104.95Underwear Weight:HeavyweightSize Type:Regular, Big, Tall
- Top Rated$26.83 - $54.95Underwear Weight:MidweightSize Type:Regular, Big, Tall
- $49.83 - $99.95Underwear Weight:HeavyweightSize Type:Regular, Big
- $26.73Save 23%compared to $35.00Size Type:RegularREI OUTLET
- Top Rated$68.83 - $125.00Underwear Weight:MidweightSize Type:Regular, Big
- Top Rated$19.73Save 34%compared to $30.00Size Type:Regular, BigREI OUTLET
- $16.73Save 35%compared to $26.00Size Type:RegularREI OUTLET
- Top Rated$53.83 - $100.00Underwear Weight:LightweightSize Type:Regular, Big
- Top Rated$29.83 - $59.95Underwear Weight:MidweightSize Type:Regular, Big, Tall
- $16.73Save 33%compared to $25.00Size Type:RegularREI OUTLET
- $34.73 - $46.73Save 40% - 56%compared to $79.00Underwear Weight:LightweightSize Type:Big, RegularREI OUTLET
- $39.83 - $79.95Underwear Weight:LightweightSize Type:Regular, Big
- New arrival$19.73Save 34%compared to $30.00Size Type:RegularREI OUTLET
- Top Rated$43.83 - $89.00Underwear Weight:MidweightSize Type:Regular, Big
- $77.83 - $150.00Underwear Weight:MidweightSize Type:Regular, Big
- $36.73Save 26%compared to $50.00Size Type:Regular, BigREI OUTLET
- Top Rated$21.73Save 32%compared to $32.00Size Type:RegularREI OUTLET
- $46.73Save 40%compared to $79.00Underwear Weight:LightweightSize Type:Big, RegularREI OUTLET
- $19.73Save 34%compared to $30.00Size Type:Regular, BigREI OUTLET
Earn 15% in total rewards
Get 5% on all REI Co-op purchases plus the 10% Co-op Member Reward you earn on eligible full-price purchases.
Apply now
Terms apply- $19.73Save 29%compared to $28.00Size Type:BigREI OUTLET
- New arrival$16.73Save 33%compared to $25.00Size Type:RegularREI OUTLET
- $22.73Save 28%compared to $32.00Size Type:RegularREI OUTLET
- $75.93 - $100.00Underwear Weight:LightweightSize Type:Regular, Big
- $19.73Save 34%compared to $30.00Size Type:Regular, BigREI OUTLET
- $108.73Save 25%compared to $145.00Underwear Weight:MidweightSize Type:Regular, BigREI OUTLET
- New arrival$19.73Save 34%compared to $30.00Size Type:RegularREI OUTLET
- Top Rated$71.83 - $130.00Underwear Weight:MidweightSize Type:Regular, Big
- Top Rated$96.93 - $120.00Underwear Weight:LightweightSize Type:Regular, Big
- New arrival$19.73Save 34%compared to $30.00Size Type:Regular, BigREI OUTLET
1–30 of 104 products
Sort: Best Match

















































































































