Resumen: Search and rescue teams and Antarctic research groups use protective cold-water anti-exposure suits (AES) when cruising on Zodiacs. Extremity tourniquet (ET) self-application (SA) donned with AESs has not been previously studied. Our study therefore assessed the SA of 5 commercial ETs (CAT, OMNA, RATS, RMT, and SWAT-T) among 15 volunteers who donned these suits. Tourniquet‘s SA ability, ease of SA, tolerance, and tourniquet preference were measured. All ETs tested were self-applied to the upper extremity except for the SWAT, which was self-applied with the rest to the lower extremity. Ease- of- SA mean values were compared using the Friedman and Durbin-Conover post hoc tests (P < 0.001). Regarding the upper extremity, OMNA achieved the highest score of 8.5 out of 10, while RMT, and SWAT received lower scores than other options (P < 0.001). For lower extremities, SWAT was found to be inferior to other options (P < 0.01). Overall, OMNA was the best performer. The RATS showed significantly lower tolerance than the other groups in repeated- measures ANOVA with a Tukey post hoc test (P < 0.01). Additionally, out of the 5 ETs tested, 60% of subjects preferred OMNA. The study concluded that SA commercial ETs are feasible over cold-water anti-exposure suits in the Antarctic climate. Idioma: Inglés DOI: 10.1017/dmp.2023.179 Año: 2023 Publicado en: Disaster Medicine and Public Health Preparedness 17, e561 (2023), 1-8 ISSN: 1935-7893 Factor impacto JCR: 1.9 (2023) Categ. JCR: PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH rank: 226 / 408 = 0.554 (2023) - Q3 - T2 Categ. JCR: PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH rank: 226 / 408 = 0.554 (2023) - Q3 - T2 Factor impacto CITESCORE: 4.4 - Public Health, Environmental and Occupational Health (Q2)