Stoy by Killtec Thermal Layers

Explore plus-size winter fashion with STOY by Killtec – a premium German brand renowned for its high quality, sophisticated details, and trend-conscious designs. Stay perfectly equipped for any situation, be it a city shopping spree or a nature excursion, with our functional and stylish plus-size clothing. You’ve not felt technical quality like this in your size before! Use our sizing support page for personalised help with choosing which one best suits your next winter adventure!


🌡 Baselayers, mid-layers, thermals, long johns, technical layers whatever you want to call them, we've got them in your size! Technical, quality women's layers will keep you warm and comfortable all day long - how do they do it? By trapping air, wicking away moisture (aka sweat!) so you can stay out as long as you want. PS - Merino base layers are a total gamechanger.

Plus size winter fashion brand

Stoy by Killtec is a brand unlike any other in our collection. Meticulously designed and expertly crafted, Stoy winter coats and layers are here to adventure with you to the furthest northern and southern poles keeping you protected and dry in all kinds of extreme weather.

Travel through the winter with quality

To support the breathable outer material, many jackets have underarm ventilation. Thanks to the waterproofing rating of 10,000mm, you are well protected even from heavy rain.

STOY's Commitment to Sustainability

The entire STOY collection is free of perfluorinated and polyfluorinated chemicals (PFCs), known for their environmental persistence. Recognizing the potential harm, we're actively collaborating with suppliers to explore PFC-free alternatives. Our goal is to achieve greater harmony with the environment and nature, making our products more sustainably aligned. Additionally, we prioritise durability, ensuring our jackets, crafted from high-quality materials, stand the test of time for long-lasting wear.

To Top