Front detail of Sub Zero unisex zip turtle thermal base layer in pine green

Factor 1 Zip Turtle Base Layer Top

Green / S
Sale price  £29.99 Regular price  £44.99
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Front detail of Sub Zero unisex zip turtle thermal base layer in pine green

Factor 1 Zip Turtle Base Layer Top

Sale price  £29.99 Regular price  £44.99
Color
Size

Pickup available at Sub Zero Warehouse

Usually ready in 24 hours

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Factor 1 Zip Turtle Base Layer Top

Green / S

Sub Zero Warehouse

Pickup available, usually ready in 24 hours

35 Churchill Way
Fleckney
Leicester LE8 8UD
United Kingdom

+441162402634
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Factor 1 Zip Turtle Base Layer Tops allow you to stay warm, dry, and comfortable during outdoor activities. 

Designed with a snug, stretchy fit, these tops feel like a second skin, offering comfort and flexibility for a wide range of body shapes. The long cut ensures the top stays securely in place during active movement, preventing discomfort and cold spots on the lower back.

Crafted with a super-efficient hydrophilic finish, this base layer effectively wicks away perspiration, keeping your skin warm and dry even during intense activity. The stand-up double-thickness turtle neck provides extra warmth and protection, while the 18cm zip allows for easy venting when you need to cool down.

Perfect for outdoor sports that require added neck protection, this thermal base layer is ideal for hiking, skiing, and other cold-weather activities. For extreme conditions, pair it with the Factor 2 thermal mid-layer range for enhanced insulation and performance.

Please note: These are end of line garments. There may be some slight colour variations where they have been folded, and some may have different versions of our logo, but apart from this these base layers are perfect. We have greatly reduced the price to reflect this.

Scroll down the page for further product details, technical information, sizing, shipping and any washing instructions.

Features
  • Thermal Efficiency: Advanced polyamide Factor 1 fabric construction retains heat whilst wicking away moisture.
  • Lightweight & Breathable: Ensures unrestricted movement and optimal temperature regulation.
  • High Wicking: hydrophilic treatment within the yarn actively transports moisture away from the skin.
  • Zip Neck Design: 18cm long zipped double thickness collar provides additional neck coverage to seal in warmth.
  • Set-In Sleeves: Maximises wicking and provides a superior fit.
  • Generous Length: Helps prevent lower back exposure during activities.
  • Unisex Design: Tailored for both men and women for versatile wear.
  • Flatlock Seams: Minimises chafing and enhances comfort during extended use.
  • Easy Care: Machine washable and quick drying.
Technical
  • Brand: Sub Zero
  • SKU: SZF1ZT
  • TOG: 0.42
  • Fabric: 100% Polyamide
  • Average weight: 175g / 6.2oz
  • Fit: Snug
  • Layer: First - next to the skin
  • Size availability: XSmall-XXLarge
  • Colour: Black, Khaki, Pine Green
  • Fabric treatments: Hydrophilic
  • Washing instructions: 40°C wash with mild detergent, do not tumble dry, iron on low setting
  • Made in: Great Britain
Shipping & Delivery

We offer UK and international delivery, with shipping options and costs shown at checkout. 

For more detailed information regarding our shipping process please visit our comprehensive Shipping Page

Returns

Changed your mind? You can find full details of our returns process and eligibility in our returns policy. 

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