ASSOS x MAMMUT TACTICA Tech T-Shirt T5

ASSOS x MAMMUT TACTICA Tech T-Shirt T5

November 2025: ASSOS end of production sale item.
Limited sizes/quantities available.

LIMITED EDITION. The ASSOS x Mammut TACTICA Tech T-Shirt, an off-road layer that combines lightweight breathability with durable utility for daily riding.

With cooling breathability and durable, lightweight construction, the Tech T-Shirt T5 is ideal for long, hot days on trails or gravel. Articulated sleeves enable a full range of motion in the saddle and on foot, and the open collar construction allows unrestricted breathing during high-intensity efforts. The seamless construction eliminates layering friction and reduces wasted material during the manufacturing process and increases sustainability.

ASSOS TACTICA Tech T-Shirt size guide:
0 = XS - S
I = M - L
II = XL - 2XL

TECHNOLOGY
FEATURED FABRICS
The body textile is Blast, a new circular knit that boosts breathability and moisture management for cool, dry comfort in hot conditions. Blast is also engineered with permanent odorControl and UPF 50+.

CONSTRUCTION/FIT
The TACTICA T5 mobility-enhancing fit is less aggressive than our racingFit, balancing streamlined, low-volume aerodynamics with multi-hour comfort and less restriction on and off the bike.