Thermal Clothing & Base Layers

Our range of military thermal underwear is guaranteed to keep you warm on the coldest of winter nights, with a selection of tops, gloves, socks, bottoms and balaclavas from quality manufacturers.

The Ussen range of thermals are known as some of the warmest on the market with a choice of zipped and crew neck tops and long johns.

Our Keela and Helikon thermals are also top-quality base layers designed for cold-weather operations. All thermals are available with free delivery in the UK.


  • Highlander Thermal Long Sleeved Vest Ranger Green

    • Lightweight breathable base layer vest
    • Soft brushed inner retains body heat
    • Moisture-wicking and fast drying
    • Minimal bulk for smooth layering
    • 80% Polyester / 20% Viscose
    £11.95
  • Highlander Thermal Long Johns Ranger Green

    • Thermal base layer long johns
    • Delivers warmth and comfort
    • High waistband protects kidneys
    • Inner fabric is moisture-wicking
    • 95% Polyester / 5% Elastine
    £10.95
  • Highlander Thermal Long Sleeved Vest Black

    • Lightweight breathable base layer vest
    • Soft brushed inner retains body heat
    • Moisture-wicking and fast drying
    • Minimal bulk for smooth layering
    • 80% Polyester and 20% Viscose
    £11.95
  • Highlander Thermal Long Johns Black

    • Warm, lightweight base layer
    • Wicks moisture and retains body heat
    • Elastic waistband secures the fit
    • Soft brushed inner for extra comfort
    • 80% Polyester, 20% Viscose
    £10.95
  • Keela Mens Hel Pulse Fleece Top Ranger Green

    • Breathable & lightweight
    • High-wicking
    • ½ zip for ventilation
    • Material: Micro Fleece (Polyester)
    • Size: S - 2XL
    £32.95
  • ussen baltic pro norj zipped thermal top neck moss green
    Clearance

    Ussen Baltic Norj Zipped Thermal Top Moss Green

    • Baltic norj zipped thermal Top
    • Insulating layer wicks moisture away
    • Longer-length fit prevents chilly gaps
    • Thumb loops aid layering and warm hands
    • 95% Polyester / 5% Elastane
    £29.95 £34.95
  • Clearance

    Ussen Baltic Crew Neck Thermal Top Black

    • Next-to-skin winter base layer top
    • Effective thermal insulation & moisture-wicking
    • Longline fit prevents gaps between layers
    • Long arms include warming thumb loops
    • 95% Polyester / 5% Elastane
    £29.95 £34.95
  • Clearance

    Ussen Baltic Thermal Long Johns Black

    • Thermal base layer long johns
    • Delivers warmth and comfort
    • High waistband protects kidneys
    • Inner fabric is moisture-wicking
    • Material: 95% Polyester / 5% Elastine
    £29.95 £34.95
  • British Army PCS Softie Thermal Jacket Light Olive - Grade 1

    • Genuine issue lightweight breathable jacket
    • Wind and rain resistant
    • Vertical chest pocket doubles as a stuff sack
    • Fleece lined collar and elasticated cuffs
    • Material: 100% Nylon
    £64.95
  • British Army Softie Thermal Trousers Light Olive - Grade 1

    • Genuine issue thermal over trousers
    • Elasticated waist and adjustable Velcro hems
    • Rear pocket doubles as integral stuff bag
    • Full side leg zips for fast donning and doffing
    • Polyester, Nylon blend
    £16.95
  • British Army Reversible Softie Thermal Trousers Olive/Sand - Grade 1

    • Genuine issue thermal reversible trousers
    • Reversible olive/sand for varied camouflage
    • Elasticized waist and hems retain body heat
    • Full side leg zips for ventilation & removal
    • Polyester, Nylon blend
    £12.95
  • Highlander Thermal Long Johns Navy Blue

    • Thermal long johns base layer
    • Lightweight construction for minimal bulk
    • Wicks moisture away for a dry feel
    • Quick-drying material helps maintain warmth
    • 80% Polyester / 20% Viscose
    £10.95
  • British Army PCS Lightweight Thermal Smock Light Olive - Grade 1

    • Grade 1 versatile thermal smock
    • Micro-fleece lining retains body heat
    • Water-resistant nylon shell
    • Zipped chest pocket secures essentials
    • Material: 100% Nylon
    £39.95
  • Snugpak Impact Fleece Shirt Black

    • Double-sided anti-pilling fleece
    • Superior comfort warmth and breathability
    • Wicks perspiration to keep the body dry
    • Half-length zip provides adjustable ventilation
    • Polyester, Nylon blend
    £32.95
  • Keela Men's Pulse Micro Fleece Black

    • Lightweight and flexible fleece
    • High-wicking and breathable fabric
    • Half zip up to a high collar for ventilation
    • Flat lock seams for comfort under layers
    • 80% Merino Wool
    From £28.95
  • British Army PCS Thermal Fleece Undershirt Olive - Grade 1

    • Genuine issue PCS thermal base layer
    • Lightweight and quick-drying
    • Zipped neck with cover to prevent rubbing
    • Thumb-holes in cuffs and long back
    • Material: 100% fleece polyester
    £12.95
  • British Army Thermal Long Johns Light Olive - Grade 1

    • Genuine British Army thermal long johns
    • Base layer with micro-fleece inner
    • Effective thermal retention
    • Airtex-Type construction for breathability
    • Material: 100% Polyester
    £8.95
  • Clearance

    British Army Surplus Norgie Norwegian Shirt - Grade 1

    • Genuine British Army issue norgie shirt
    • Keeps you warm and comfortable
    • High zipped neck and collar
    • Condition: used grade 1 surplus
    • Material: 100% Cotton
    £12.95 £14.95
  • British Army Olive Green Thermal Vest - Grade 1

    • Genuine British Army surplus thermal vest
    • Airtex-style, moisture-wicking fabric
    • Soft fleece inner for warmth and comfort
    • Condition: used grade 1 surplus
    • Material: 100% Polyester
    £8.95
  • British Army Thermal Long Johns Olive Green - Grade 1

    • Genuine military surplus thermal long johns
    • Moisture-wicking fabric for dryness
    • Airtex-Type construction promotes airflow
    • Condition: used grade 1 surplus
    • Material: 100% Polyester
    £8.95
  • Snugpak 2nd Skinz Coolmax Long Sleeved Top Black

    • High-wicking long sleeved base layer
    • Lightweight, breathable, highly compressible
    • Relaxed fit for full, unrestricted movement
    • Suitable for hiking, camping, or tactical use
    • Material: 94% Polyester / 6% Elastane
    £28.95
  • Snugpak 2nd Skinz Coolmax Long Johns Black

    • High-performance base layer long johns
    • Wicks away sweat and manages moisture
    • Lightweight, relaxed fit
    • Reusable carry case for compact storage
    • Material: 94% Polyester / 6% Elastane
    £28.95
  • Dutch Army Long Sleeve Vest Olive Drab - Grade 1

    • Surplus base layer vest
    • Soft fleece inner offers comfort
    • Excellent moisture-wicking properties
    • Elasticated wrists for secure fit
    • 80% cotton / 20% polyamide
    £7.45
  • Dutch Army Thermal Long Johns Olive Drab - Grade 1

    • Genuine Dutch Army surplus long johns
    • Elasticated waist and cuffed ankles
    • Lightweight and moisture-wicking
    • Soft toweling inner fabric
    • Material: 95% cotton / 5% Elastane
    £7.45