Frio Protocol Sauna Boxer — Cooling Starter Kit

€44,99

✦ Targeted cooling exactly where the biology demands it

✦ Engineered for the sauna — worn like everyday underwear

✦ 100% cotton — breathable, soft, no synthetics

✦ No bulk. No disruption. Just the protocol.

Out of stock

This is a pre-order. Estimated ship date: July 1st

Size

Size S M L XL XXL

Built for the heat. Engineered where it counts.

The Frio Protocol Sauna Boxer is a performance boxer brief designed specifically for sauna use and heat exposure. It combines the comfort of everyday underwear with a discreet integrated zippered pocket — built to hold your FRIO/SHIELD™ cooling inserts exactly where the biology demands it.Load your inserts. Step in. Let the protocol work.What's included:

1 × Frio Protocol Sauna Boxer (100% Cotton)2 × FRIO/SHIELD™ cooling gel inserts

Built for performance:

Soft, breathable, and built to moveDiscreet front pocket designed to hold the cooling insertNo bulk. No disruption. Just precision cooling where it matters most.

Each pair comes with 2x Freezable Sauna/Shield Cooling Inserts (BPA Free & Non-Toxic)

Spain: Free shipping on orders €40+
Standard shipping €4.99 — 3 to 5 business days

European Union: Free shipping on orders €40+
Standard shipping €6.99 — 5 to 8 business days

United Kingdom: Standard shipping €8.99
7 to 10 business days

All orders are shipped in plain discreet
packaging with no product branding on the
outside. Tracking information is emailed
once your order is dispatched.

FAQs

Our goal is for every customer to be totally satisfied with their purchase. If this isn't the case, let us know and we'll do our best to work with you to make it right.

We are unable to accept returns on certain items. These will be carefully marked before purchase.

We will work quickly to ship your order as soon as possible. Once your order has shipped, you will receive an email with further information. Delivery times vary depending on your location.

Our products are manufactured both locally and globally. We carefully select our manufacturing partners to ensure our products are high quality and a fair value.

Shipping is calculated based on your location and the items in your order. You will always know the shipping price before you purchase.