We've updated the fit of the Women's Classic Thermal Merino Base Layer 1/4 Zip to improve functionality while also enhancing aesthetics. As one of our heaviest base layer tops and one of our best base layers for cold weather, this garment uses 100% responsibly sourced Merino wool, shoulder panels, and a flatlock seam construction to help minimize chafing as well as keep you comfortable and temperature regulated as you enjoy high-intensity skiing, hiking, running, and more.

FEATURES

• Slim Fit
• 100% Merino wool fabric made with an interlock knit for enhanced comfort, breathability, thermoregulation, and odor resistance
• Fit updated to improve functionality while enhancing aesthetics for a range of body shapes
• Back body seam wraps to front for body-enhancing fit
• Crew neck with raglan sleeves
• Flatlock seam construction designed to minimize chafing
• 8" (20 cm) center front zip with semi-locking slider
• Knit in China: 100% Merino Wool
• Garment Weight: 236 g = 8.32 oz
• Style: SW016373

CARE

A classic, all-around 100% recycled polyester baselayer. The smooth, soft face makes for easy layering. Hollow-core yarns and a diamond-grid back trap warm air, wick moisture and dry fast. HeiQ® Pure odor control keeps things fresh. Fair Trade Certified™ sewn.

FEATURES

• The Most Versatile Baselayer | Smooth, soft face makes for easy layering; HeiQ® Pure odor control keeps things fresh
• Zip-Neck Styling | Zip-neck styling with internal neck tape for added comfort; locker loop for hang drying
• Raglan Sleeve Construction | Raglan shoulder seams allow freedom of movement, with full underarm gusset for range of motion and chafe-free comfort
• Easy Venting Front Zipper | Long center-front zipper vents body heat and is backed by kissing welts for low-bulk comfort next to skin
• Low-Profile Thumb Loops | Elastic thumb loops for secure hand coverage
• Comfortable Fabric | Fabric’s diamond-grid pattern next to skin provides warmth and breathability and wicks moisture
• Supporting the People Who Made This Product | Fair Trade Certified™ sewn
• Country of Origin | Made in Sri Lanka.
• Weight | 170 g (6 oz)

SPECS

• 4.3-oz (147-g) 100% recycled polyester diamond-grid double knit with HeiQ® Pure odor control
• Fabric is certified as bluesign® approved
• Fair Trade Certified™ sewn

Meet the better-than-ever Men's Classic Thermal Merino Base Layer Crew. We've updated this 100% Merino wool fan-favorite with new colors and a new fit to improve functionality while enhancing aesthetics. Shoulder panels eliminate top shoulder seams and a flatlock seam construction helps prevent chafing. Add one of our best base layers for cold weather to your winter wardrobe and experience the difference the next time you go skiing, hiking, climbing, or biking.

FEATURES

• Slim Fit
• 100% Merino wool fabric made with an interlock knit for enhanced comfort, breathability, thermoregulation, and odor resistance
• Fit updated to improve functionality while enhancing aesthetics
• Shoulder panels eliminate top shoulder seams
• Flatlock seam construction designed to minimize chafing
• Knit in Vietnam: 100% Merino Wool
• Garment Weight: 276 g = 9.74 oz
• Style: SW016349

CARE

• Machine Wash Warm Gentle Cycle.
• Do Not Iron Decorations.
• Do Not Bleach
• Tumble Dry Low
• Cool Iron As Needed
• Do Not Dry Clean
• Wash With Like Colors

A classic, all-around 100% recycled polyester baselayer. The smooth, soft face makes for easy layering. Hollow-core yarns and a diamond-grid back trap warm air, wick moisture and dry fast. HeiQ® Pure odor control keeps things fresh. Fair Trade Certified™ sewn.

FEATURES

• The Most Versatile Baselayer | Smooth, soft face makes for easy layering; HeiQ® Pure odor control keeps things fresh
• Zip-Neck Styling | Zip-neck styling with internal neck tape for added comfort; locker loop for hang drying
• Raglan Sleeve Construction | Raglan shoulder seams allow freedom of movement, with full underarm gusset for range of motion and chafe-free comfort
• Easy Venting Front Zipper | Center-front zipper vents body heat and is backed by kissing welts for low-bulk comfort next to skin
• Low-Profile Thumb Loops | Elastic thumb loops for secure hand coverage
• Stretchy Comfort | Stretch for added comfort and improved fit during movement
• Supporting the People Who Made This Product | Fair Trade Certified™ sewn
• Country of Origin | Made in Sri Lanka.
• Weight | 204 g (7.2 oz)

SPECS

• 4.3-oz (147-g) 100% recycled polyester diamond-grid double knit with HeiQ® Pure odor control
• Fabric is certified as bluesign® approved
• Fair Trade Certified™ sewn

Meet the new and improved Women's Merino 250 Base Layer Crew. This updated 100% Merino wool fan-favorite has new color options and an enhanced fit to improve functionality while elevating aesthetics. The addition of shoulder panels and its flatlock seam construction helps prevent chafing and increases your comfort level. Add one of our best base layers for cold weather to your winter wardrobe and experience the difference the next time you go skiing, hiking, climbing, or biking.

BENEFITS

Merino 250 | This heavier, soft, 100% Merino wool fabric offers breathable warmth, moves sweat away from the body, and provides next-to-skin comfort in colder conditions

FEATURES

• Slim Fit
• 100% Merino wool fabric made with an interlock knit for enhanced comfort, breathability, thermoregulation, and odor resistance
• Fit updated to improve functionality while enhancing aesthetics for a range of body shapes
• Back body seam wraps to front for body-enhancing fit
• Crew neck with raglan sleeves
• Flatlock seam construction designed to minimize chafing
• Knit in China: 100% Merino Wool
• Garment Weight: 218 g = 7.69 oz
• Style: SW016369

The Smartwool Men's Merino 250 Base Layer 1/4 Zip has an updated fit to improve functionality while also enhancing aesthetics. As one of our heaviest base layer tops and best base layers for cold weather, this garment uses 100% responsibly sourced Merino wool, shoulder panels, and a flatlock seam construction to help minimize chafing as well as help keep you comfortable and temperature regulated as you enjoy high-intensity skiing, hiking, running, and more.

BENEFITS

Merino 250
This heavier, soft, 100% Merino wool fabric offers breathable warmth, moves sweat away from the body, and provides next-to-skin comfort in colder conditions

FEATURES

• Slim Fit
• 100% Merino wool fabric made with an interlock knit for enhanced comfort, breathability, thermoregulation, and odor resistance
• Fit updated to improve functionality while enhancing aesthetics
• Shoulder panels eliminate top shoulder seams
• Flatlock seam construction designed to minimize chafing
• 10' (25 cm) center front zipper semi-locking slider
• Knit in Vietnam: 100% Merino Wool. Exclusive Of Decoration
• Garment Weight: 298 g = 10.51 oz
• Style: SW016355

CARE

• Machine Wash Warm Gentle Cycle.
• Do Not Bleach.
• Tumble Dry Low.
• Cool Iron As Needed.
• Do Not Dry Clean.
• Wash With Like Colors.
• Do Not Iron Decorations.

Designed to keep you warm and comfortable in cold conditions. This stretchy, smooth-faced technical layer for everyday activities is made with a soft 94% recycled polyester fabric and feels like traditional fleece next to the skin. Fair Trade Certified™ sewn.

FEATURES

• Warm, Comfortable R1® Daily Fabric
• Soft, smooth outer fabric and a brushed fleece backing with stretch keep you warm and comfortable; HeiQ® Fresh durable odor control
• Offset Shoulder Seams
• Off-shoulder seams sit comfortably under pack straps
• Easy Venting
• Half-zip for added venting
• Wicks in High-Sweat Zones
• Collar and back of neck are paneled with Capilene® Cool Lightweight fabric for additional next-to-skin comfort and wicking in high sweat zones
• Supporting the People Who Made This Product
• Fair Trade Certified™ sewn
• Country of Origin
• Made in Sri Lanka.
• Weight
• 295 g (10.4 oz)

MATERIALS

• 6.3-oz 94% recycled polyester/6% spandex flat-faced fleece with miDori™ bioSoft for added wicking and softness, and HeiQ® Fresh durable odor control
• Fabric is certified as bluesign® approved
• Fair Trade Certified™ sewn

Style No. 40500

 

A classic, all-around polyester baselayer, with 50-100% recycled content. The smooth, soft face makes for easy layering. Hollow-core yarns and a diamond-grid back trap warm air, wick moisture and dry fast. HeiQ® Fresh durable odor control keeps things fresh. Fair Trade Certified™ sewn.

FEATURES

Patagonia's Most Versatile Baselayer
Smooth, soft face makes for easy layering, and HeiQ® Fresh durable odor control keeps things fresh

Self-Fabric Crewneck
Classic crew internal neck tape for added comfort; locker loop for hang drying

Raglan Sleeve Construction
Raglan shoulder seams allow freedom of movement, with full underarm gusset for range of motion and chafe-free comfort

Internal Diamond Grid Pattern
Fabric’s diamond-grid pattern next to skin provides warmth and breathability and wicks moisture

Low-Profile Thumb Loops
Elastic thumb loops for secure hand coverage

Stretchy Comfort
Stretch for added comfort and improved fit during movement

Fair Trade Certified™ Sewn
Fair Trade Certified™ sewn

Country of Origin
Made in Sri Lanka.

Weight
153 g (5.4 oz)

MATERIALS

• Solids and prints: 4.3-oz (147-g) 100% recycled polyester diamond-grid double knit
• Cross-dyes: 4.3-oz (147-g) 100% polyester (50% recycled) diamond-grid double knit
• All with HeiQ® Fresh durable odor control and 50+ UPF sun protection
• Fabric is certified as bluesign® approved
• Fair Trade Certified™ sewn

Style No. 44437

• Our Most Versatile Baselayer: Smooth, soft face makes for easy layering, and HeiQ® Fresh durable odor control keeps things fresh
• Self-Fabric Crewneck: Classic crew styling with internal neck tape for added comfort; locker loop for hang drying
• Raglan Sleeve Construction: Raglan shoulder seams allow freedom of movement, with full underarm gusset for range of motion and chafe-free comfort
• Internal Diamond Grid Pattern: Fabric’s diamond-grid pattern next to skin provides warmth and breathability and wicks moisture
• Low-Profile Thumb Loops: Elastic thumb loops for secure hand coverage
• Stretchy Comfort: Stretch for added comfort and improved fit during movement
• Fair Trade Certified™ Sewn: Fair Trade Certified™ sewn
• Country of Origin: Made in Sri Lanka.
• Weight: 176 g (6.2 oz)

• Solids and prints: 4.3-oz (147-g) 100% recycled polyester diamond-grid double knit
• Cross-dyes: 4.3-oz (147-g) 100% polyester (50% recycled) diamond-grid double knit
• All with HeiQ® Fresh durable odor control and 50+ UPF sun protection
• Fabric is certified as bluesign® approved
• Fair Trade Certified™ sewn

The R1® Air Zip-Neck is a lightweight, breathable and quick-drying technical fleece for high-exertion activities in cold conditions. Made with 100% recycled polyester and structured for comfort during movement. Fair Trade Certified™ sewn.

FEATURES

• Lightweight, Breathable, Technical Fleece Fabric 100% recycled polyester jacquard fleece with hollow-core yarns features a unique zigzag texture that wicks moisture, dries fast and is highly breathable for high-output activities
• Offset Shoulder Seams Off-shoulder seams sit comfortably under pack straps
• Internal Chest Pocket Internal left-chest pocket for easy stashing of small items; minimal bulk makes for a great layering piece
• Soft Cuffs and Hem Quick-drying woven binding at the back hem and cuffs for added stretch and improved fit
• Zip-Neck Design Half-zip for added venting
• Supporting the People Who Made This Product Fair Trade Certified™ sewn, which means the people who made it earned a premium for their labor
• Country of Origin Made in Sri Lanka.
• Weight 252 g (8.9 oz)

 MATERIALS

• 5.7-oz 100% recycled polyester jacquard fleece with hollow-core yarns
• Fabric is certified as bluesign® approved
• Fair Trade Certified™ sewn