Stay ready in the field, on the water, or at the bench. This insulated flask set includes a 17 oz stainless steel thermos and two matching cups—stackable, compact, and built to share. Double-wall construction keeps drinks hot or cold for up to 12 hours, while the leakproof lid and secure pour spout ensure no spills in your kit.

Choose your color and your emblem:
•     Blue or Black finish
•     Relentless Mayfly or One More Cast Skull logo

Specs & Features
•     Capacity: 17 fl oz (503 ml)
•     Includes: 1 flask + 2 stackable cups
•     Material: 304 stainless steel with leakproof screw cap
•     Insulation: Hot or cold up to 12 hours
•     Care: Hand wash only

Whether you’re chasing steelhead, scouting creeks, or just gearing up for the day, this set carries the ritual. Drink deep. Cast again.