The updated Smartwool Men's Merino 250 Base Layer Bottom to bring you a better fitting, more functional tight. The technical benefits of 100% Merino wool will help you keep your game at a high level for longer. And Smartwool's heaviest weight wool fabric will help keep you warm and comfortable as you ski, run, and hike the day away.

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
• Merino-covered elastic interior waistband and traditional fly design
• Flatlock seam construction designed to minimize chafing
• Size M inseam: 30" (76 cm)
• Knit in Vietnam: 100% Merino Wool
• Garment Weight: 228 g = 8.04 oz
• Style: SW016361

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

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.

• 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