Icebreaker 200 Oasis L/S Half Zip Women's Thermal Base Layer Top - Gritstone Heather, XS

Experience the ultimate in natural performance with the Icebreaker 200 Oasis L/S Half Zip, a women's thermal base layer top crafted from 100% ZQ-certified Merino wool. Designed for cool to cold conditions, this midweight (200 g/m²) top offers exceptional breathability, moisture wicking, and temperature regulation, keeping you comfortable during high-output activities like hiking, skiing, and snowboarding. The half-zip closure allows for easy ventilation, while flatlock seams and gusseted underarms provide chafe-free mobility. The stand-up collar adds extra warmth, and the regular fit layers seamlessly under midlayers or outerwear. Natural odor resistance means you can wear it multiple days between washes. Ideal for winter sports and everyday wear, this top is a sustainable choice for eco-conscious adventurers.

Advantages

• 100% Merino Wool: Naturally breathable, moisture-wicking, and odor-resistant.
• Midweight 200 g/m²: Perfect balance of warmth and versatility for cool to cold conditions.
• Half-Zip Design: Allows quick temperature regulation and easy on/off.
• Flatlock Seams: Reduce chafing and increase comfort during movement.
• Gusseted Underarms: Enhance range of motion for active pursuits.
• ZQ-Certified: Ensures ethical sourcing and environmental sustainability.

Suitable for

• Hiking and backpacking in cool weather
• Skiing and snowboarding as a base layer
• Winter running or cycling
• Everyday wear in cold climates
• Layering under midlayers or jackets

Key specifications

• Product Type: Thermal Base Layer Top
• Gender: Women's
• Size: XS
• Color: Gritstone Heather
• Material: 100% Merino Wool
• Fabric Weight: 200 g/m² (Midweight)
• Sleeve Length: Long Sleeve
• Collar Type: Stand-up Collar
• Closure Type: Half-Zip
• Fit: Regular
• Seam Construction: Flatlock Seams
• Underarm Construction: Gusseted
• Breathability: High
• Moisture Wicking: Yes
• Odor Resistance: Natural
• Temperature Regulation: Yes
• Sustainability: ZQ-certified Merino
• Recommended Use: Hiking, Skiing, Snowboarding, Winter Sports, Everyday Wear
• Season: Cool to Cold Conditions

Recommendations

For optimal performance, pair this base layer with a midlayer fleece or insulated jacket. Machine wash cold on gentle cycle, do not bleach, tumble dry low. Avoid fabric softeners to maintain wool's natural properties.