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.

From trekking across Thailand to traversing the toughest stretches of Baja, Exofficio spent over 20 years perfecting the art of adventure—and underwear. That's where the Men's Give-N-Go® 2.0 Boxer Brief comes in. Now up to 4 times more breathable, 50% more moisture-wicking, and 25% more quick-drying compared to their original Give-N-Go® collections, Exofficio's latest iteration of the perfect pair is designed to keep you moving more comfortably than ever. Explore more with durable fabric for long-lasting use, 4-way stretch for total range of motion, and chafe-reducing flatlock seams. The wide waistband retains its shape and improved anti-odor treatment keeps this underwear fresher, longer. 

FEATURES

• Breathable mesh fabric supplies airflow to keep you cool; Durable synthetic fabric
• Improved anti-odor treatment stays fresher, longer
• Flatlock seams reduce chafing; Wide, comfortable waistband retains its shape
• Easy-care so you only need two for any trip

• 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