Heatgen™ Medium Thermal Leggings

Equally perfect for layering or lounging, these versatile thermal leggings have your cold-weather comfort covered. Our innovative Heatgen Plus™ fabric

Heatgen™ Thermal Leggings, M&S Collection

M&S Hosiery Thermal Heatgen Tights 100 or 180 Denier - Black, Navy, Grey M or L

Marks & Spencer Underwear - Men

Staying warm never looked so good, thanks to this sparkly thermal top. The long-sleeved style has a new and improved stretchy feel for even more

Heatgen™ Medium Thermal Long Sleeve Sparkle Top

This lightweight long-sleeved thermal top is designed to keep you extra warm when the temperature drops. Heatgen Plus™ fabric is brushed on the inside

Heatgen™ Medium Thermal Long Sleeve Top

15 Fleece lined leggings for chilly winter workouts 2024

Heatgen™ Medium Fleece Thermal Leggings

Stay cosy in any weather, thanks to this long-sleeved thermal top. Turtle neck style, with a new and improved stretchy fit. Lightweight and super-soft

Heatgen™ Medium Thermal Turtle Neck Top

Heatgen™ Medium Thermal Strappy Vest – Retail International Group

M&S Collection 2pk Heatgen™ Light Thermal Long Johns - ShopStyle Socks