RADIO TRAIL Carreras de Montaña Mayayo · sergio garasa mayayo

CORTAVIENTOS HOMBRE Y MUJER: COMO ELEGIR EL TUYO Y TOP3 POR MAYAYO:

·39 min·3 clips

At 5 degrees with 40 km/h wind, the thermal sensation can drop to minus 15—here's why your windbreaker matters.

1. Radio Trail Carreras de Montaña host Sergio Mayayo presents a buyer's guide to trail-running windbreakers, recorded from Cercedilla while recovering from an injury that kept him from a club kilómetro vertical. 2. Mayayo is the sole voice; there are no guests, and he draws on personal experience racing in the Sierra de Guadarrama and on product testing. 3. The episode's core thesis is that a windbreaker is not a membrane jacket and should not be treated as one: its job is to protect your personal thermal microclimate, not shelter you from storms. 4. Mayayo opens with the wind-chill factor: at 5°C and 40 km/h wind, the felt temperature drops to -15°C — a 20-degree gap he experienced personally at La Fuenfría, Peñalara, and Siete Picos with gusts exceeding 100 km/h. 5. He explains the physiology behind the danger: running generates heat and moisture, but stopping removes the heat while moisture remains, and wind then accelerates heat loss dramatically. 6. Key selection criteria are presented in sequence: CFM wind permeability (5-20 cubic feet per minute is the target), breathability measured in grams per square meter per 24 hours (Mayayo prefers the RET protocol over grams because it uses a single standard), denier count, and ripstop reinforcement. 7. He warns that not all brands use the same breathability measurement protocol, and manufacturers apply whichever protocol makes their numbers look best. 8. DWR (durable water repellent) is described as a chemical outer treatment that increases surface tension so drops slide off; Mayayo says he reapplies it with spray at least once a year to all his garments. 9. Weight for a quality windbreaker should fall in the 80-120g range; under that typically means compromises in protection or durability. 10. Price range for a proper windbreaker in 2026 is stated as €80-150, with anything below €80 failing to balance weight, protection, and breathability. 11. Mayayo presents a physiological comparison of male and female upper-body thermoregulation: men produce 10-15% more heat and sweat at 0.8-2 L/hour versus 0.4-1.2 L/hour for women, requiring different fabric priorities. 12. Men's top pick is the Patagonia Houdini at €110 and 105g, using 15-denier recycled nylon ripstop; Mayayo calls it 'king of global balance' after 20 years of refinement and a patented DWR. 13. Men's second pick is the Salomon Bonatti Sense Wind at €150 and 133g, noted for Aeropack technology creating space for a running vest on the back. 14. Men's third pick is the La Sportiva Blizzard at €130 and 96g, highlighted for laser-perforated elastic rear mesh panel and described as the most breathable option for intense cold-wind efforts. 15. Women's top pick is the Kailas Fuga Wind at €140-150 and 110g, using 20-denier nylon ripstop and a CFM of 4-6; Mayayo notes Kailas sponsors Spanish athletes Zara García and María Fuentes. 16. Women's second pick is the Dynafit Alpine Wind at €120-130 and 115g, using 35-denier Dyna Nylon Ripstop and a CFM of 3-5, with a hood and more alpine-focused cut for greater coverage in exposed conditions. 17. Women's third pick is the Spanish brand Normal's Trail Wind at €140 and 110-120g, with CFM estimated at 4-6 and praised for thermal stability and everyday usability. 18. The episode is a structured solo presentation with no interviews; Mayayo combines technical data with personal field experience in a methodical, educational tone. 19. Trail runners who want specific gear recommendations with technical specs — denier, CFM, weight, price — for male or female windbreaker selection. 20. Runners looking for race reports, training advice, or non-gear content will find this episode too product-focused.

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