Sale Items
- >Best Buys
- >Base Layer Sale
- >Leggings + Tights Sale
- >Combo Deals
- >Hats,Gloves + Accessories
- >Socks Sale
- >Hoodies, Jackets + Q/Zips
- >Tees Sale
- >Sports Underwear Sale
What's New!
Mud Running Gear
- >Dirty Boys
  - >>OCR Men Winter
  - >>OCR Men Summer
- >Dirty Girls
  - >>OCR Girls' Winter
  - >>OCR Girls' Summer
Merino Wool
- >Men's Merino
- >Women's Merino
- >Kids' Merino
- >Merino Wool Socks
- >Merino Accessories
Base Layers
- Men's Base Layers
- Women's Base Layers
- Kids' Base Layers
Compression + Recovery
- >Compression Tops
- >Compression Tights
- >Compression Shorts
- >Travel + Recovery
- >Socks + Calf Guards
Under Armour
- Under Armour Outlet
- UA What's New
- Men's Sports Underwear
- UA ColdGear
- Men's HeatGear
- Women's HeatGear
- Men's Running Apparel
- Women's Running Wear
- UA Men's Training
  - >Men's Winter Training
  - >Men's Summer Training
- Women's Training Wear
- Hoodies Jackets + Q/Zips
- Compression + Recovery
- All UA Men's Base Layers
- All UA Women's Base Layers
- All UA Kids' Base Layers
- Charged Cotton Collection
- UA Storm Collection
- Accessories
Under Armour Golf
- Under Armour Golf Shoes
- Under Armour Golf Polo's
- Golf Trousers + Shorts
- UA Golf Quarter Zips
- UA Golf Wet Gear + Jackets
- UA Men's Golf Baselayers
  - >Winter Baselayers
  - >Summer Baselayers
- UA Golf Underwear
- Under Armour Women's Golf
  - >Women's Golf Baselayers
- Golf Accessories
  - >On Course Accessories
  - >Golf Sunglasses
Icebreaker
- Men's Icebreaker Merino
- Women's Icebreaker Merino
- Kids' Icebreaker Merino
  - >Kids' Bodyfit 200
  - >Kids' Bodyfit 260
- Icebreaker MerinoLOFT
- Icebreaker BodyfitZONE
- Icebreaker Accessories
Odlo
- Odlo Outlet Store
- Odlo Ceramicool
- ODLO Active F-Dry Light
- Odlo Bike
  - >Odlo Men's Cyclewear
  - >Odlo Women's Cyclewear
- Odlo Running
  - >Odlo Men's Run Range
  - >Odlo Women's Run Range
- Odlo Natural Merino
- Odlo Men's Revolution
  - >Revolution Light
  - >Revolution Warm
  - >Revolution X-Warm
- Odlo Women's Revolution
  - >Revolution Warm
  - >Revolution X-Warm
- Active Sports Underwear
- Odlo Sports Bras
- Odlo Men's Thermals
- Odlo Women's Thermals
- Odlo Kids' Thermals
- Odlo Layering
- Odlo Men's Evolution
  - >Evolution X-Light
  - >Evolution Light
  - >Evolution Warm
  - >Evolution X-Warm
- Odlo Women's Evolution
  - >Evolution X-Light
  - >Evolution Light
  - >Evolution Warm
  - >Evolution X-Warm
- Men's Warm Originals
- Men's X-Warm Originals
- Women's Warm Originals
- Women X-Warm Originals
- Kid's Warm Originals
- Kids' Extra-Warm Originals
- Odlo Kids' Mid-Layers
- Odlo Extras
Maier Sports
- >Maier Summer Trousers
- >Maier Winter Trousers
- >Maier Sports Jackets
SKINS
- SKINS What's New
- SKINS Teamwear
- Men's SKINS
- Women's SKINS
- Kids' SKINS
  - Boy's DNAmic Team Warm
  - Kid's DNAmic Active
SAXX Underwear
- SAXX Collection
- SAXX Performance Range
- SAXX Everyday Range
Helly Hansen
- HH Lifa Base Layers
- Men's Merino Wool Blend
- Women's Merino Wool Blend
Canterbury
- Men's Thermoreg Baselayers
- Mercury TCR Compression
- Kids' Thermoreg Baselayers
- Canterbury Off Field
Megmeister
- Megmeister Baselayers
Vibram Furoshiki
Fivefingers
- Full Fivefingers Range
- >All Men's Collection
- >All Women's Collection
- Fivefingers Sale Lines
- Fivefingers Size Guide
- Which Fivefingers?
Wigwam Socks
- Wigwam Peak to Pub
- Wigwam Adult Ski Socks
- Wigwam Adult Hiking Socks
- Wigwam Kids' Socks
- Wigwam Sports Socks
Teko Merino Socks
- All Teko Merino Socks
- Teko Sports Socks
- Teko Hiking Socks
- Teko Ski + Board Socks
Toe Socks
- >Light Weight Toe Socks
- >Original Weight Toe Socks
- >Mid-Weight Toe Socks
- >Injinji Hiking Socks
- >Merino Wool Toe Socks
- >Compression Toe Socks
SolarX Sunglasses
- All Solar-X Sunglasses
- >Polarised Sports Wrap
- >Polarised Metal Frame
- >Tinted Sunglasses
Climbing Kili
- >Gear for The Bottom
- >Gear for The Climb
- >Kili Accessories
Ski Thermals
- Men's Ski Thermals
- Women's Ski Thermals
- Kid's Ski Thermals
- Ski Bits + Accessories
Product Type
- Men's Sports Underwear
- Women's Sports Underwear
- Women's Athleisure Wear
- Thermal Underwear
- All Sports Socks
- Jackets, Hoodies + Q/Zips
- Men's Running Apparel
- Women's Running Apparel
- All Accessories

Under Armour Men's Base Layers

Men's Under Armour® Base Layers.....For Cold & Hot Conditions

All the Under Armour® Base Layers & Compression Apparel for Men together including tops and bottoms and for Hot conditions and Cold climates. For the most comprehensive and encompassing selection of Under Armour® technical Compression and Fitted Base Layers, you've come to the right place.

Under Armour® were the pioneers of Sports Compression Base Layers and the athletic benefit and value they clearly have on the body before, during and after sports activity.

From Men's HeatGear® for hot conditions to the ColdGear® ranges for extreme cold climates, the Baselayer portfolio will undoubtedly cover every athlete's needs.