Above: Men’s Summit Sun Hoodie (first) and Women’s Summit Sun Hoodie (Second), designed to manage solar load and heat stress during sustained movement in hot, exposed operational environments.

Beyond Clothing’s Summit Sun Hoodie is a lightweight exposuremanagement layer designed for warmweather and alpine operations where prolonged sun exposure, sweat accumulation, and heat retention can directly impact operator endurance and effectiveness. The garment is engineered to remain onbody throughout movement cycles, reducing friction and simplifying kit management in hot conditions and reflects Beyond Clothing’s systemdriven design methodology, addressing heat and exposure as primary environmental threats rather than secondary concerns.

Core design attributes of the Summit Sun Hoodie include:

• Lightweight, breathable construction for high metabolic output

• Integrated hood for head and neck sun protection

• Lowprofile fit compatible with armor and loadbearing equipment

• Minimal bulk for pack integration and modular systems

Unlike insulating layers, the Summit Sun Hoodie focuses on controlling environmental inputs—specifically solar radiation and moisture—during extended dismounted activity.

HotWeather Exposure Control

The Summit Sun Hoodie is optimized for continuous movement under solar stress, where direct sun accelerates dehydration, fatigue, and cognitive decline. Breathable fabric allows internal heat and moisture vapor to escape while limiting radiant heat gain across exposed skin, The integrated hood provides consistent coverage for the head, neck, and ears, areas frequently exposed during movement and short halts.

The fabric remains comfortable, even when saturated with sweat, and dries quickly, supporting extended wear during multiday field activity. Its lowbulk profile allows it to be worn beneath plate carriers or chest rigs without creating pressure points or restricting mobility.

Alpine Operational Use

In alpine environments, UV intensity increases due to reduced atmospheric filtering makes solar exposure a primary limiter, even in cooler temperatures. During approach movement, ridgeline travel, and highelevation dismounted operations, managing sun exposure becomes critical.

The Summit Sun Hoodie supports:

• Sustained uphill movement under load

• Prolonged exposure above tree line

• Shortduration halts for navigation, planning, or observation

It provides coverage without trapping heat and integrates cleanly with lightweight wind layers or insulation during static periods.

Beyond Clothing’s System Approach

Within a warmweather clothing system, the Summit Sun Hoodie functions as the primary exposuremanagement layer, protecting the wearer from sun and mitigating sweat. It replaces heavier layers that increase thermal burden, allowing the wearer to reduce their reliance on sunscreen.

The piece is compatible with modular layering architectures and is a foundation layer that can be easily augmented with wind or weather protection layers as conditions evolve.

Core design attributes include:

• Lightweight, breathable construction for high metabolic output

• Integrated hood for head and neck sun protection

• Low-profile fit compatible with armor and loadbearing equipment

• Minimal bulk for pack integration and modular systems

Availability

The Summit Sun Hoodie is available directly from Beyond Clothing in both men’s and women’s fits. The garment is supported by government, unit, and organizational purchasing programs, including bulk and contract procurement.

More information is available at beyondclothing.com.

Trail Jager (left) and Mountain Jager (right) shown together, illustrating two insulation approaches built around the same WINDSTOPPER® shell foundation.

Beyond Clothing’s Jager Series features two standout coldweather insulation layers: The Trail Jager Jacket and the Mountain Jager Jacket. While the jackets share an underlying construction philosophy and materials pedigree, they are designed for distinctly different activity levels and mission profiles and feature different insulation types and thermal intent.

Both pieces are built to integrate cleanly into modern coldweather layering systems, are Made in the USA, Berry Amendment compliant, and designed for professional end users.

Shared features include:

• WINDSTOPPER® by GORETEX LABS shell fabrics

• Helmetcompatible insulated hoods

• Glovefriendly hardware

• Chest and hand pockets accessible while wearing armor or packs

• Lowbulk profiles intended for modular layering

Trail Jager Jacket: HighOutput Active Insulation

The Trail Jager is optimized for sustained movement, using a hybrid construction to balance wind protection and breathability.

The Trail Jager Jacket is designed for continuous movement under load. It pairs WINDSTOPPER shell panels with 2.5 oz Polartec® Alpha Direct® insulation and Polartec® Power Grid™ fleece stretch panels.

Alpha Direct’s openloft structure allows moisture vapor and excess heat to escape during sustained movement, reducing sweat accumulation during patrols, ascents, and extended maneuver operations.

Polartec® Power Grid™ side panels provide airflow and stretch in highperspiration zones.

The Trail Jager aligns closely with ECWCS Level 3 (Active Insulation) concepts as defined within the CTAPS activeinsulation context, and is intended to function as either a breathable outer layer or an insulated midlayer beneath a shell.

Best suited for:

• Highoutput movement

• Patrol and reconnaissance missions

• Users prioritizing breathability over static warmth

• Cold wet and shoulderseason environments

• ECWCS Level 3 & 5 bridging roles

Mountain Jager Jacket: Increased Static Warmth

The Mountain Jager increases insulation density for cold exposure during reduced movement or static positions.

The Mountain Jager Jacket includes the WINDSTOPPER shell used across the Jager Series, and its use of the Climashield® APEX 360™ synthetic insulation provides more uniform thermal coverageand balanced heat retention, best for pauseandmove cycles, observation, overwatch, and coldweather exposure where wind and heat loss are missionlimiting factors.

Continuous synthetic insulation improves thermal consistency during extended static exposure.

A 40D lightweight nylon ripstop liner supports durability while keeping bulk manageable for integration into layered coldweather systems with a more tapered fit, designed to be worn under body armor or a chest rig.

A grid fleece–lined chin guard reduces abrasion and improves comfort when fully zipped in cold, windy conditions.

Best suited for:

• Mixed activity and static use

• Cold, windy, and alpine environments

• Observation and overwatch tasks

• ECWCS Level 5 & 7 bridging roles

SidebySide Comparison

Although shell materials and patterning are similar, insulation type and breathability separate the Trail Jager [Left] from the Mountain Jager [Right].

System Approach

Beyond Clothing’s Trail Jager and Mountain Jager arecomplementary options within a modular coldweather system. Both jackets address distinct operational needs by managing wind as a constant while tuning insulation to expected activity level, exposure duration, and environmental conditions.

Rather than prescribing a single insulation configuration, the system acknowledges natural variation in individual thermal regulation, movement intensity, and mission role. This approach allows users to select the appropriate Jager variant based on how they generate and retain heat in realworld use—whether during sustained movement, pauseandmove cycles, or extended static exposure—while maintaining compatibility within the same layering architecture.

Together, the Trail Jager and Mountain Jager reflect Beyond Clothing’s systemdriven design philosophy: enabling adaptable insulation choices that respond to changing conditions and user physiology, rather than enforcing a onesizefitsall coldweather solution.

Availability

Both jackets are available directly from Beyond Clothing in MultiCam, OCP, Ranger Green and Coyote with men’s and women’s fit, and are supported by government and unit purchasing programs.

• Trail Jager Jacket: $719.99 USD

• Mountain Jager Jacket: $749.99 USD

More information is available at beyondclothing.com.