Underwear & Base Layer

Sportsman's Guide has a great selection of high quality Military Surplus Underwear and Military Style Base Layers. You'll always find the Military Underwear you need right here, at the lowest prices... guaranteed! 

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  1. 4 New U.S. Military Surplus PolyPro ECWS Long Underwear Shirts

    4 stars
    (34)
    Buyer's Club $17.99 Non-Member $19.99

    In Stock

  2. 4-Pk. New East German Military Long John Set

    5 stars
    (26)
    Buyer's Club $19.79 Non-Member $21.99

    Item is currently on backorder

  3. 3 - Pc. U.S. Military Surplus Polartec® Level 2 ECWS Long John Set

    5 stars
    (14)
    Buyer's Club $35.99 Non-Member $39.99

    In Stock

  4. 4 New U.S. Military Surplus Level 1 Boxer Shorts

    5 stars
    (3)
    Buyer's Club $17.99 Non-Member $19.99

    In Stock

  1. 6 Military-style Cotton V-neck Tagless T-shirts

    4 stars
    (1)
    Buyer's Club $22.49 Non-Member $24.99

    In Stock

  2. New U.S. Military Surplus ECW Drawers, Coyote

    5 stars
    (8)
    Buyer's Club $13.49 Non-Member $14.99

    In Stock

  3. 20 New Dutch Military Surplus Cotton Briefs, White

    4 stars
    (19)
    Buyer's Club $26.99 Non-Member $29.99

    In Stock

  4. HQ ISSUE® Elite Grid Fleece ECW Base Layer Set

     
    Buyer's Club $35.99 Non-Member $39.99

    Item is currently on backorder

  1. New Italian Military Surplus Officer's Flannel PJs

     
    Buyer's Club $13.49 Non-Member $14.99

    Item is currently on backorder

  2. 4-Pk. of New Swedish Military Surplus Underwear

     
    Buyer's Club $17.99 Non-Member $19.99

    In Stock

  3. 5 New Czech Military Long Johns, Khaki

    2 stars
    (7)
    Buyer's Club $17.99 Non-Member $19.99

    In Stock

  4. 3-Pk. of New Dutch Military Long Underwear, Olive Drab

    5 stars
    (8)
    Buyer's Club $17.99 Non-Member $19.99

    In Stock

  1. 10 new Italian Military Surplus Air Force Boxer Shorts, White

    2 stars
    (2)
    Buyer's Club $17.99 Non-Member $19.99

    In Stock

  2. 6 Assorted Cotton T-shirts

    1 stars
    (1)
    Buyer's Club $17.99 Non-Member $19.99

    In Stock

  3. 6 New German Military Surplus LJ Bottoms, Off-white

    4 stars
    (13)
    Buyer's Club $17.99 Non-Member $19.99

    In Stock

  4. 10 New Czech Tank Tops, White

    4 stars
    (15)
    Buyer's Club $17.99 Non-Member $19.99

    In Stock

  1. 10 New Czech Military Surplus Underwear, Brown

    4 stars
    (6)
    Buyer's Club $17.99 Non-Member $19.99

    In Stock

  2. 2 New Bulgarian Military Surplus Flannel Pajamas

    4 stars
    (14)
    Buyer's Club $17.99 Non-Member $19.99

    In Stock

  3. 4 New U.S. Military Surplus PolyPro ECWS Long Underwear Pants

    4 stars
    (16)
    Buyer's Club $17.99 Non-Member $19.99

    In Stock

  4. 12 U.S. Military Surplus Cotton Briefs

    5 stars
    (33)
    Buyer's Club $22.49 Non-Member $24.99

    In Stock

  1. 12 - Pk. New U.S. Military Surplus Briefs

    5 stars
    (22)
    Buyer's Club $22.49 Non-Member $24.99

    In Stock

  2. Women's 3-Pc. HQ ISSUE™ Polartec® Grid Fleece Long John Set

    4 stars
    (3)
    Buyer's Club $35.99 Non-Member $39.99

    In Stock

  3. U.S. Mil - Spec™ Plus Polypropylene Set

    5 stars
    (43)
    Clearance $29.99 Compare at $70.00

    Item is currently on backorder

  4. 10 New German Military Back Warmers, Olive Drab

    5 stars
    (8)
    Clearance $7.99

    In Stock

  1. New Italian Military Surplus Officer's Flannel PJs

     
    Buyer's Club $13.49 Non-Member $14.99

    In Stock

  2. Mil-Tec® Base Layer Shirt, Olive Drab

    5 stars
    (1)
    Buyer's Club $17.99 Non-Member $19.99

    In Stock

  3. 4 New Italian Military Surplus Long Johns, Off-white

    4 stars
    (5)
    Clearance $9.99

    In Stock

  4. 6 Used Czech Military Surplus PJ Sets

    3 stars
    (1)
    Clearance $14.99

    In Stock

  1. 4 New Italian Military Long John Pants, Off - white

    4 stars
    (5)
    Clearance $11.99

    In Stock

  2. 4 New Czech Sleep Pants, White

    5 stars
    (3)
    Clearance $10.99

    In Stock

  3. New U.S. Military Turtleneck Base Layer, Navy

    5 stars
    (11)
    Buyer's Club $16.19 Non-Member $17.99

    In Stock

  1. 2 TRU-SPEC® CORDURA® Base - layer Long Johns, Cream

    4 stars
    (1)
    Clearance $7.99

    In Stock

  2. New Czech Military Surplus 10 - Pc. Recruit BT Set

    4 stars
    (8)
    Clearance $9.99

    In Stock

  3. 5.11 Tactical® Utili-T Crew Shirts, 3-Pk.

    5 stars
    (1)
    Non-Member $34.99 Buyer's Club Discount Applied at Checkout!

    In Stock

  4. 5.11 Tactical® Tight Crew Long - sleeve Shirt

     
    Non-Member $29.99 Buyer's Club Discount Applied at Checkout!

    In Stock

  1. Fox Tactical™ ECWCS Polypropylene Long Underwear Zipper Top

     
    Buyer's Club $26.99 Non-Member $29.99 Compare at $33.95

    In Stock

  2. Men's 5.11 Tactical® Sports Brief

     
    Non-Member $24.99 Buyer's Club Discount Applied at Checkout!

    In Stock

  3. Fox Tactical™ ECWCS Polypropylene Long Underwear Top

     
    Buyer's Club $26.99 Non-Member $29.99 Compare at $30.95

    In Stock

  4. 5.11 Tactical® Loose Fit Crew Shirt

     
    Non-Member $24.99 Buyer's Club Discount Applied at Checkout!

    In Stock

  1. 5.11 Tactical® Tight Crew Short - sleeve Shirt

     
    Non-Member $24.99 Buyer's Club Discount Applied at Checkout!

    In Stock

  2. Fox Tactical™ ECWCS Polypropylene Long Underwear Bottom

     
    Buyer's Club $26.99 Non-Member $29.99 Compare at $32.95

    In Stock

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Related Products

10 new Italian Military Surplus Air Force Boxer Shorts, White

Item # WX2-589988

2 stars
Buyer's Club $17.99 Non-Member $19.99

10 new Italian Military Surplus Air Force Boxer Shorts.

On the tarmac, and they're off! Italian top guns prefer these Boxer Shorts for down-under comfort on the ground or roaring mach 2. So will you!

  • 65/35 polyester / cotton fabric
  • Elastic waist with drawstring
  • Rear pocket
  • Italian Air Force insignia embroidery.

Condition: brand new. State Size, as available in the Shopping Cart. Fly high, order ONLINE!

!!! Limited Quantities !!!

4-Pk. New East German Military Long John Set

Item # WX2-140924

5 stars
Buyer's Club $19.79 Non-Member $21.99

4-Pk. New East German Military Long John Set, ON SALE!

Time to REE-lax! Taking it easy gets even easier with these genuine military Long Johns. Comfortable, warming cotton-blend provides a snug, easy-moving fit for any level of activity.

Rib-knit collar, wrists and ankles. Elastic waist and gusseted crotch. Machine wash / dry. Imported.

Condition: brand new, never issued. State Size, as available in the Shopping Cart. Nab this bargain now!

!!! Limited Quantities !!!

4 New U.S. Military Surplus PolyPro ECWS Long Underwear Shirts

Item # WX2-578770

4 stars
Buyer's Club $17.99 Non-Member $19.99

4-Pk. of New U.S. Military Surplus PolyPro ECWS Long Underwear Shirts for a warm layering effect.

Salute to a quartet of tactical heaters! When your mission calls for operations in icy cold tundra, don't leave base without this warm stuff. Extended Cold Weather System clothing is a must-have when temps fall to single digits. That's when this super warm U.S. Military-grade PolyPro clothing works overtime to combat cold. Use as a reliable layer to trap body heat and fight goosebumps like never before! Perfect for ice fishing, skiing, snowmobiling, ATVing or just shoveling the driveway. Machine wash / dry.

  • 1/4-zip front
  • Turtleneck style
  • Rib-knit cuffs
  • 100% warm polyester fabric
  • Proven ECWS technology.

Condition: brand new, never issued. State Size, as available in the Shopping Cart.

!!! Limited Quantities !!!

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