Hydrogen

Description

Take on cool temps with the Smartwool Men's Classic Thermal Merino Base Layer 1/4 Zip, newly designed for better mobility while keeping its signature Merino Wool knit. Boasting 276g weight lets you comfortably trudge through the snow in temperatures below 25°. The 100% responsibly sourced Merino Wool keeps you sweat-free during intense ski missions and warm while hanging out by the base of the hill.

FEATURES

100% Merino Wool Fabric - Breathable, thermoregulation, and odor resistant.
Slim Fit - Fits close to the skin to prevent heat from escaping.
Updated Fit - New fit for better range of movement.
Shoulder Panels - Eliminate top should seams for comfortable movement.
Flatlock Seam Construction - Minimizing chafing and more comfortable.
298g Weight Rating - Designed for temps: (below 25° to 50°).

SPECIFICATIONS

Material: 100% Merino Wool
Warmth Level: Warmest
Sleeve Length: Long Sleeve
Style: 1/4 Zip
Model Year: 2025

SIZE CHART

Men's Size Chart	Small	Medium	Large	X-Large	XX-Large
Chest	36”–38” 91.5-96.5cm	39”–41” 99-104cm	42”–44” 106.5-112cm	45”–48” 114.5-122cm	49”–51" 124.5-129.5cm
Waist	29”–31” 73.5-78.5cm	32”–34” 81.5-86.5cm	35”–37” 89-94cm	38”–40” 96.5-101.5cm	41”–44” 104-112cm
Hip	36”–38” 91.5-96.5cm	39”–41” 99-104cm	42”–44” 106.5-112cm	45”–48” 114.5-122cm	49”–51” 124.5-129.5cm
Arm Length	31”–32” 78.5-81.5cm	32”–33” 81.5-84cm	33”–34” 84-86.5cm	34”–35” 86.5-89cm	35”–36” 89-91.5cm
Inseam	30”–31” 76-78.5cm	31”–32” 78.5-81.5cm	32”–33” 81.5-84cm	33”–34” 84-86.5cm	34”–35” 86.5-89cm

Shipping

Free UPS GROUND SERVICE Shipping on orders of $50.00 or more

Standard Ground Shipping $49.99 and below - $8.00
Expedited Shipping UPS 2 Day - $40.00
Expedited UPS Overnight - $75.00
** Please note some oversized items are excluded from Expedited shipping such as: