Based on this product's specifications, here are some alternatives and similar models
Thermal women's top Odlo Merino 160 BL Top Crew Neck LS — black, size XS
Summary description:
Odlo Merino 160 BL Top Crew Neck LS is a women's thermal long-sleeve top made with 160 g/m² Merino blend for base-layer insulation. Designed for moisture management and temperature regulation during outdoor activities and everyday wear, it features a crew neck and close-fitting cut in black, size XS. Suitable for layering in hiking, skiing, running and travel.