2026 Summit Club T-Shirt Size:MD Engineered with high-quality insulation and

Engineered with high-quality insulation and a secure twist-off lid

and the lightweight stretch band dries quickly

Featuring an exclusive logo that pays homage to the legendary Rainier Base Camp

A mission-critical piece designed for high-altitude expeditions and the most bone-chilling conditions on Earth

and 20% of your daily potassium and can get back up the next day to start out like it’s day 1

2026 Summit Club T-Shirt Size:MD Engineered with high-quality insulation andCelebrate your 2026 Mount Rainier summit in premium style. Commemorate your monumental 2026 Mount Rainier ascent with this exclusive, high quality Summit Club T Shirt. Showcasing a stunning portrait of the mountain on the front and dual logos from RMI and Whittaker Mountaineering on the sleeves, this tee is the ultimate badge of honor for successful climbers. It is the perfect way to share your high altitude triumph whether you are hitting the local