




Sizes: S / M / L / XL / XXL
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Ivory Heatgen™ Thermal Long Johns — the ultimate in warmth and comfort. Designed with brushback texture, regular fit, elasticated waist, and cuffed bottoms. Perfect for keeping you warm throughout the day.
Marks & Spencer — £3.99 standard delivery, free over £60.00 via Standard, typically 2-4 working days.
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The M&S Ivory Heatgen™ Thermal Long Johns works for the office, business and casual days.
Pair with your favorite thermal tops for maximum warmth.
The M&S Ivory Heatgen™ Thermal Long Johns is available in sizes S, M, L, XL, XXL.
Marks & Spencer offers free returns within 28 days. Post back via the retailer's chosen courier (free), or in-store where available.
Ivory Heatgen™ Thermal Long Johns — the ultimate in warmth and comfort. Designed with brushback texture, regular fit, elasticated waist, and cuffed bottoms. Perfect for keeping you warm throughout the day.
Marks & Spencer — £3.99 standard delivery, free over £60.00 via Standard, typically 2-4 working days.
Marks & Spencer offers free returns within 28 days. Post back via the retailer's chosen courier (free), or in-store where available.
View Marks & Spencer's returns policySecond-hand alternatives to the M&S Ivory Heatgen™ Thermal Long Johns on Vinted, Depop and other UK resellers.