Under Armour UA HeatGear® Sleeveless (Men’s Compression)

Overview

The UA HeatGear® Sleeveless is designed as a high-performance baselayer without sleeves, made of ultra-lightweight fabric with mesh ventilation underarms and back. It has a **compression fit** for effective muscle support and moisture performance during training. [oai_citation:3‡Under Armour](https://www.underarmour.com/en-us/p/shirts_and_tops/heatgear_mens_compression_sleeveless/1361522.html?utm_source=chatgpt.com)

Features

• HeatGear® main fabric: 84 % polyester / 16 % elastane — extremely light. [oai_citation:4‡Under Armour](https://www.underarmour.co.uk/en-gb/p/tank_tops_and_sleeveless_ts/heatgear_mens_compression_sleeveless/1361522.html?dwvar_1361522_color=001&utm_source=chatgpt.com)
• Mesh ventilation panels: 92 % polyester / 8 % elastane at sides and back to enhance airflow. [oai_citation:5‡Under Armour](https://www.underarmour.co.uk/en-gb/p/tank_tops_and_sleeveless_ts/heatgear_mens_compression_sleeveless/1361522.html?dwvar_1361522_color=001&utm_source=chatgpt.com)
• Moisture wicking: draws sweat away and dries fast. [oai_citation:6‡Under Armour](https://www.underarmour.co.uk/en-gb/p/tank_tops_and_sleeveless_ts/heatgear_mens_compression_sleeveless/1361522.html?dwvar_1361522_color=001&utm_source=chatgpt.com)
• Ergonomic design: seams away from high wear areas and hybrid raglan construction for better motion. [oai_citation:7‡Under Armour](https://www.underarmour.com/en-us/p/shirts_and_tops/heatgear_mens_compression_sleeveless/1361522.html?utm_source=chatgpt.com)
• Compression fit: snug, body-hugging cut for support. [oai_citation:8‡Under Armour](https://www.underarmour.com/en-us/p/shirts_and_tops/heatgear_mens_compression_sleeveless/1361522.html?utm_source=chatgpt.com)

Material & Fit

• Main fabric: 84 % polyester / 16 % elastane
• Mesh fabric: 92 % polyester / 8 % elastane
• Fit: Compression (snug / body-hugging)