





Portwest Thermal Baselayer Top
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Current lead times are ten to twelve working days from confirmed payment for decorated items.
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Portwest B133 Thermal Baselayer Top – Lightweight Wicking Workwear Layer
The Portwest B133 Thermal Baselayer Top is designed for optimal warmth and moisture control in cold conditions. Made from lightweight, high-wicking polyester (~140 gsm), with cuffed sleeves and low-profile seams, it provides a comfort-fit base layer that minimises bulk—ideal for working outdoors, layering or technical sports use.
Highlights
- 100% wicking polyester (~140 gsm) for rapid moisture transfer
- Crew neck and cuffed sleeves for a snug, comfortable fit
- Low-profile flat seams reduce friction
- Comfort-fit ergonomic cut designed for ease of movement
- Comes retail-boxed for attractive presentation
Specifications
- SKU: B133
- Fabric: 100% wicking polyester (~140 gsm)
- Sizes: XS–4XL (availability varies by colour)
- Colours: Black, Charcoal
- Design: Crew neck; cuffed sleeves; low-profile seams
- Packaging: Supplied in individual retail box
- Commodity Code: 6109909000
- Care: Machine wash ≤40 °C mild; wash dark colours separately; do not bleach, tumble dry, iron or dry clean